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ืกืžืœ OnWorks

arm-linux-gnueabi-gfortran-4.7 - ืžืงื•ื•ืŸ ื‘ืขื ืŸ

ื”ืคืขืœ ืืช arm-linux-gnueabi-gfortran-4.7 ื‘ืกืคืง ืื™ืจื•ื— ื—ื™ื ืžื™ ืฉืœ OnWorks ืขืœ ืื•ื‘ื•ื ื˜ื• ืžืงื•ื•ืŸ, ืคื“ื•ืจื” ืžืงื•ื•ืŸ, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ื–ื”ื• ื–ืจื•ืข ื”ืคืงื•ื“ื”-linux-gnueabi-gfortran-4.7 ืฉื ื™ืชืŸ ืœื”ืคืขื™ืœ ื‘ืกืคืง ื”ืื™ืจื•ื— ื”ื—ื™ื ืžื™ ืฉืœ OnWorks ื‘ืืžืฆืขื•ืช ืื—ืช ืžืชื—ื ื•ืช ื”ืขื‘ื•ื“ื” ื”ืžืงื•ื•ื ื•ืช ื”ืžืจื•ื‘ื•ืช ืฉืœื ื• ื‘ื—ื™ื ื ื›ื’ื•ืŸ Ubuntu Online, Fedora Online, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ืชึธื›ึฐื ึดื™ืช:

ืฉืึตื


gfortran - ืžื”ื“ืจ GNU Fortran

ืชึทืงืฆึดื™ืจ


ื’ืคื•ืจื˜ืจืŸ [-c|-S|-E]
[-g] [-ืขืžื•ื“] [-Oืจึธืžึธื”]
[-Wืœื”ื–ื”ื™ืจ...] [-ืงึทืคึผึฐื“ึธื ึดื™]
[-Idir...] [-Ldir...]
[-Dืžืืงืจื•[=defn]...] [-Uืžืืงืจื•]
[-fืื•ึนืคึผึฐืฆึดื™ึธื”...]
[-mืืคืฉืจื•ืช ืœืžื›ื•ื ื”...]
[-o ืื•ืกืฃ] ื‘ืงื•ื‘ืฅ...

ืจืง ื”ืืคืฉืจื•ื™ื•ืช ื”ืฉื™ืžื•ืฉื™ื•ืช ื‘ื™ื•ืชืจ ืžืคื•ืจื˜ื•ืช ื›ืืŸ; ืจืื” ืœื”ืœืŸ ืœื’ื‘ื™ ื”ืฉืืจ.

ืชื™ืื•ืจ


ืืœ ื”ืื ื™ ื’ืคื•ืจื˜ืจืŸ ื”ืคืงื•ื“ื” ืชื•ืžื›ืช ื‘ื›ืœ ื”ืืคืฉืจื•ื™ื•ืช ื”ื ืชืžื›ื•ืช ืขืœ ื™ื“ื™ gcc ืคืงื•ื“ื”. ืจืง ืืคืฉืจื•ื™ื•ืช
ืกืคืฆื™ืคื™ื™ื ืœ-GNU Fortran ืžืชื•ืขื“ื™ื ื›ืืŸ.

ื›ืœ ื”ืืคืฉืจื•ื™ื•ืช ืฉืœ GCC ื•-GNU Fortran ืžืชืงื‘ืœื•ืช ืขืœ ื™ื“ื™ ืฉืชื™ื”ืŸ ื’ืคื•ืจื˜ืจืŸ ื•ืขืœ ื™ื“ื™ gcc (ื›ืžื• ื’ื ื›ืœ
ื“ืจื™ื™ื‘ืจื™ื ืื—ืจื™ื ืฉื ื‘ื ื• ื‘ื• ื–ืžื ื™ืช, ื›ื’ื•ืŸ g ++), ืžืื– ื”ื•ืกืคืช GNU Fortran ืœ-GCC
ื”ื”ืคืฆื” ืžืืคืฉืจืช ืงื‘ืœืช ืืคืฉืจื•ื™ื•ืช GNU Fortran ืขืœ ื™ื“ื™ ื›ืœ ื”ื ื”ื’ื™ื ื”ืจืœื•ื•ื ื˜ื™ื™ื.

ื‘ืžืงืจื™ื ืžืกื•ื™ืžื™ื, ืœืืคืฉืจื•ื™ื•ืช ื™ืฉ ืฆื•ืจื•ืช ื—ื™ื•ื‘ื™ื•ืช ื•ืฉืœื™ืœื™ื•ืช; ื”ืฆื•ืจื” ื”ืฉืœื™ืœื™ืช ืฉืœ -ffoo. ื”ื™ื”
be -fno-foo. ืžื“ืจื™ืš ื–ื” ืžืชืขื“ ืจืง ืื—ื“ ืžืฉื ื™ ื”ื˜ืคืกื™ื ื”ืœืœื•, ืžื™ ืžื”ื ืื™ื ื•
ื‘ืจื™ืจืช ื”ืžื—ื“ืœ.

ืืคืฉืจื•ื™ื•ืช


ืœื”ืœืŸ ืกื™ื›ื•ื ืฉืœ ื›ืœ ื”ืืคืฉืจื•ื™ื•ืช ื”ืกืคืฆื™ืคื™ื•ืช ืœ-GNU Fortran, ืžืงื•ื‘ืฆื•ืช ืœืคื™ ืกื•ื’.
ื”ืกื‘ืจื™ื ื ืžืฆืื™ื ื‘ืกืขื™ืคื™ื ื”ื‘ืื™ื.

ืคื•ืจื˜ืจืŸ ืฉืคื” ืืคืฉืจื•ื™ื•ืช
- ืกืชื™ื•-ื”ื˜ื‘ืขื•ืช -fbacklash -fcray-pointer -fd-lines-as-code -fd-lines-as-comments
-fdefault-double-8 -fdefault-integer-8 -fdefault-real-8 -fdollar-ื‘ืกื“ืจ
-ffixed-line-length-n -ffixed-line-length-none ืฆื•ืจื” ื—ื•ืคืฉื™ืช -ffree-line-length-n
-ffree-line-length-none -ืคืฉื˜ื ื™-ืื™ืŸ -finteger-4-integer-8 -fmax-identifier-length
-fmodule-private -fno-fixed-form -fno-range-check -fopenmp -freal-4-real-10
-freal-4-real-16 -freal-4-real-8 -freal-8-real-10 -freal-8-real-16 -freal-8-real-4
-std=std

ืขื™ื‘ื•ื“ ืžื•ืงื“ื ืืคืฉืจื•ื™ื•ืช
-ื-ืฉืืœื”[=ืœืขื ื•ืช] -Aืฉืืœื”=ืœืขื ื•ืช -C -CC -Dืžืืงืจื•[=defn] -H -P -Uืžืืงืจื• -cpp -dD
-ื“ื™ -dM -dN -dU -fworking-ืžื“ืจื™ืš -ืื™ืžื•ืœื˜ื™ื‘ื™ dir -iprefix ืคื™ืœื” -ืื ื™ ืžืฆื˜ื˜ -isysroot dir
-ืžืขืจื›ืช dir -nocpp -ื ื•ืกื˜ื“ื™ื ืง -undef

ืฉืึฐื’ึดื™ืึธื” ื• ืื–ื”ืจื” ืืคืฉืจื•ื™ื•ืช
-ื•ืœื™ื” - ืงื™ืจ -ื•ื•ืžืคืจืกื ื“ -ื’ื‘ื•ืœื•ืช ื”ืžืœื—ืžื” -ื—ื™ืชื•ืš ืชื• -ื”ืžืจื”
-ื—ื™ืกื•ืœ Wfunction -ืžืžืฉืง ืกืชืžื™ -ืคืจื•ืฆื“ื•ืจื” ื’ืœื•ื™ื” -ืฆืœืœื™ืช ื—ื•ืจืฃ
-Wintrinsics-std -ืงื™ืฆื•ืจ Wline -Wno-align-commons -ืœื-ื›ืจื˜ื™ืกื™ื•ืช -Wreal-q-constant
- ืžืคืชื™ืข -ื–ืจื™ืžืช ืคืœืื•ืช -ืคืจืžื˜ืจ Wunused -fmax-errors=n -fsyntax-ื‘ืœื‘ื“ -ืงึทืคึผึฐื“ึธื ึดื™
-ืคื“ื ื˜ื™ื•ืช-ื˜ืขื•ื™ื•ืช

Debugging ืืคืฉืจื•ื™ื•ืช
-fbacktrace -fdump-fortran ืžื•ืชืื -fdump-fortran-original -fdump-ื ืชื—-ืขืฅ
-ffpe-trap=ืจืฉื™ืžื”

ืžึทื“ืจึดื™ืš ืืคืฉืจื•ื™ื•ืช
-Idir -Jdir -ืคื™ื ื˜ืจื™ื ืก-ืžื•ื“ื•ืœื™ื-ื ืชื™ื‘ dir

ืงื™ืฉื•ืจ ืืคืฉืจื•ื™ื•ืช
-static-libgfortran

ื–ืžืŸ ืจื™ืฆื” ืืคืฉืจื•ื™ื•ืช
-fconvert=ื”ืžืจื” -fmax-subrecord-length=ืื•ืจืš -fno-range-check
-frecord-marker=ืื•ืจืš -fืกื™ืžืŸ-ืืคืก

ืงื•ืคื•ื ื™ื ื“ื•ืจ ืืคืฉืจื•ื™ื•ืช
-ื—ื™ืกื•ืœ-ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช-ืคืื’ืจืกื™ื‘ื™ืช -fblas-matmul-limit=n -fbounds-check
-fcheck-array-ื–ืžื ื™ื™ื -fcheck=
-fcoarray= -ืคืงืกื˜ืจื ืœ-ื‘ืœืืก -ff2c -ffrontend-optimize
-finit-character=n -finit-integer=n -ืกื•ืคื™-ืžืงื•ืžื™-ืืคืก -ืกื•ืคื™ืช-ืœื•ื’ื™ืช=
-finit-real= -fmax-array-constructor=n -fmax-stack-var-size=n
-fno-align-commons -fno-ืื•ื˜ื•ืžื˜ื™ -fno-protect-parens -fno-ื”ื“ื’ืฉื”
-fno-ืงื•ื‘ืฅ ืฉืœื -fsecond-ืงื• ืชื—ืชื•ืŸ -fpack-ื ื’ื–ืจ -frealloc-lhs -frecursive
-frepack-ืžืขืจื›ื™ -fshort-enums -fstack-ืžืขืจื›ื™

ืืคืฉืจื•ื™ื•ืช ืฉืœื™ื˜ื” ืคื•ืจื˜ืจืŸ ื ึดื™ื‘
ื”ืืคืฉืจื•ื™ื•ืช ื”ื‘ืื•ืช ืฉื•ืœื˜ื•ืช ื‘ืคืจื˜ื™ ื”ื ื™ื‘ Fortran ื”ืžืงื•ื‘ืœ ืขืœ ื™ื“ื™ ื”ืžื”ื“ืจ:

ืฆื•ืจื” ื—ื•ืคืฉื™ืช
-ffixed-form
ืฆื™ื™ืŸ ืืช ื”ืคืจื™ืกื” ื”ืžืฉืžืฉืช ืืช ืงื•ื‘ืฅ ื”ืžืงื•ืจ. ืคืจื™ืกืช ื”ื˜ื•ืคืก ื”ื—ื•ืคืฉื™ ื”ื•ืฆื’ื” ื‘
Fortran 90. ืฆื•ืจื” ืงื‘ื•ืขื” ืฉื™ืžืฉื” ื‘ืื•ืคืŸ ืžืกื•ืจืชื™ ื‘ืชื•ื›ื ื™ื•ืช Fortran ื™ืฉื ื•ืช ื™ื•ืชืจ. ืžืชื™
ืืฃ ืื—ืช ืžื”ืืคืฉืจื•ื™ื•ืช ืœื ืฆื•ื™ื ื”, ืฆื•ืจืช ื”ืžืงื•ืจ ื ืงื‘ืขืช ืœืคื™ ืกื™ื•ืžืช ื”ืงื•ื‘ืฅ.

- ืกืชื™ื•-ื”ื˜ื‘ืขื•ืช
ืืคืฉืจื•ืช ื–ื• ื’ื•ืจืžืช ืœื›ืœ ื”ื”ืœื™ื›ื™ื ื”ืคื ื™ืžื™ื™ื (ื›ื•ืœืœ ื”ื”ืจื—ื‘ื•ืช ื”ืกืคืฆื™ืคื™ื•ืช ืœ-GNU).
ืœื”ืชืงื‘ืœ. ื–ื” ื™ื›ื•ืœ ืœื”ื™ื•ืช ืฉื™ืžื•ืฉื™ ืขื -std=f95 ืœื›ืคื•ืช ืขืžื™ื“ื” ื‘ืชืงืŸ ืื‘ืœ ืœืงื‘ืœ
ื’ื™ืฉื” ืœื›ืœ ืžื’ื•ื•ืŸ ื”ืžืจื›ื™ื‘ื™ื ื”ืคื ื™ืžื™ื™ื ื”ื–ืžื™ื ื™ื ืขื ื’ืคื•ืจื˜ืจืŸ. ื›ืชื•ืฆืื” ืžื›ืš,
-Wintrinsics-std ื™ืชืขืœื ื•ืœื ื™ืชื‘ืฆืข ื”ืœื™ืš ืžื•ื’ื“ืจ ืขืœ ื™ื“ื™ ื”ืžืฉืชืžืฉ ื‘ืื•ืชื• ืฉื ื›ืžื•
ื›ืœ ื—ื•ืžืจ ืžื”ื•ืชื™ ื™ื™ืงืจื ืœืžืขื˜ ื›ืืฉืจ ื”ื•ื ื”ื•ื›ืจื– ื‘ืžืคื•ืจืฉ "ื—ื™ืฆื•ื ื™".

-fd-lines-as-code
-fd-lines-as-comments
ืืคืฉืจ ื˜ื™ืคื•ืœ ืžื™ื•ื—ื“ ืœืฉื•ืจื•ืช ื”ืžืชื—ื™ืœื•ืช ื‘-"d" ืื• "D" ื‘ืžืงื•ืจื•ืช ื‘ืฆื•ืจื” ืงื‘ื•ืขื”.
ืื -fd-lines-as-code ื ื™ืชื ืช ืืคืฉืจื•ืช ื”ื ืžื˜ื•ืคืœื™ื ื›ืื™ืœื• ื”ืขืžื•ื“ื” ื”ืจืืฉื•ื ื”
ื”ื›ื™ืœ ืจื™ืง. ืื ื” -fd-lines-as-comments ื ื™ืชื ืช ืืคืฉืจื•ืช, ืžืชื™ื™ื—ืกื™ื ืืœื™ื”ื ื›ืืœ
ืฉื•ืจื•ืช ื”ืขืจื”.

-fdefault-double-8
ื”ื’ื“ืจ ืืช ืกื•ื’ "ื“ื™ื•ืง ื›ืคื•ืœ" ืœืกื•ื’ ืฉืœ 8 ื‘ืชื™ื. ืื -fdefault-real-8 ื ืชื•ืŸ,
ื‘ืžืงื•ื ื–ืืช, "ื“ื™ื•ืง ื›ืคื•ืœ" ื™ืงื•ื“ื ืœ-16 ื‘ืชื™ื ืื ืืคืฉืจ, ื•ื›ืŸ
-fdefault-double-8 ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื›ื“ื™ ืœืžื ื•ืข ื–ืืช. ืžืกื•ื’ ื”ืงื‘ื•ืขื™ื ื”ืืžื™ืชื™ื™ื ื›ืžื•
"1.d0" ืœื ื™ืฉืชื ื” ืขืœ ื™ื“ื™ -fdefault-real-8 ืื ื›ื™, ื›ืš ื’ื -fdefault-double-8 ืขื•ืฉื”
ืœื ืœื”ืฉืคื™ืข ืขืœ ื–ื”.

-fdefault-integer-8
ื”ื’ื“ืจ ืืช ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืฉืœ ืžืกืคืจ ืฉืœื ื•ืกื•ื’ ืœื•ื’ื™ ืœืกื•ื’ ืฉืœ 8 ื‘ืชื™ื. ืืœ ืชืขืฉื” ื“ื‘ืจ ืื ื–ื”
ื”ื•ื ื›ื‘ืจ ื‘ืจื™ืจืช ื”ืžื—ื“ืœ. ืืคืฉืจื•ืช ื–ื• ืžืฉืคื™ืขื” ื’ื ืขืœ ืกื•ื’ ืงื‘ื•ืขื™ ื”ืžืกืคืจื™ื ื”ืฉืœืžื™ื ื›ืžื•
42.

-fdefault-real-8
ื”ื’ื“ืจ ืืช ืกื•ื’ ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ื”ืืžื™ืชื™ ืœืกื•ื’ ืฉืœ 8 ื‘ืชื™ื. ืืœ ืชืขืฉื” ื›ืœื•ื ืื ื–ื” ื›ื‘ืจ ื”
ื‘ึผึฐืจึดื™ืจึทืช ืžึถื—ื“ึธืœ. ืืคืฉืจื•ืช ื–ื• ืžืฉืคื™ืขื” ื’ื ืขืœ ืกื•ื’ ื”ืงื‘ื•ืขื™ื ื”ืืžื™ืชื™ื™ื ื”ืœื ื›ืคื•ืœื™ื ื›ืžื• 1.0, ื•
ืื›ืŸ ืžืงื“ื ืืช ืจื•ื—ื‘ ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืฉืœ "DOUBLE PRECISION" ืœ-16 ื‘ืชื™ื ืื ืืคืฉืจ, ืืœื ืื ื›ืŸ
"-fdefault-double-8" ื ื™ืชืŸ ื’ื ื›ืŸ.

-fdollar-ื‘ืกื“ืจ
ืœื”ืชื™ืจ $ ื‘ืชื•ืจ ืชื• ื—ื•ืงื™ ืฉืื™ื ื• ืจืืฉื•ืŸ ื‘ืฉื ืกืžืœ. ืกืžืœื™ื ืฉืžืชื—ื™ืœื™ื ื‘ $ ื™ืฉ ืœื•
ื ื“ื—ื” ืžืื—ืจ ืฉืœื ื‘ืจื•ืจ ืื™ืœื• ื›ืœืœื™ื ืœื”ื—ื™ืœ ืขืœ ื”ืงืœื“ื” ืžืจื•ืžื–ืช ื›ืฉื•ื ื”
ื”ืกืคืงื™ื ืžื™ื™ืฉืžื™ื ื›ืœืœื™ื ืฉื•ื ื™ื. ื‘ืืžืฆืขื•ืช $ ื’ื ื‘ื”ืฆื”ืจื•ืช "ืžืฉืชืžืข" ื ื“ื—ืชื”.

-fbacklash
ืฉื ื” ืืช ื”ืคืจืฉื ื•ืช ืฉืœ ื ื˜ื•ื™ ืื—ื•ืจื™ ื‘ืžื™ืœื•ืœื™ ืžื—ืจื•ื–ืช ืžืืœื•ื›ืก ืื—ื•ืจื™ ื‘ื•ื“ื“
ื“ืžื•ืช ืœื“ืžื•ื™ื•ืช ื‘ืจื™ื—ื” "ื‘ืกื’ื ื•ืŸ C". ื”ืฉื™ืœื•ื‘ื™ื ื”ื‘ืื™ื ืžื•ืจื—ื‘ื™ื
"\a", "\b", "\f", "\n", "\r", "\t", "\v", "\\", ื•-"\0" ืœืชื•ื•ื™ ASCII
ื”ืชืจืื”, ืจื•ื•ื— ืื—ื•ืจื”, ื”ื–ื ืช ื˜ื•ืคืก, ืงื• ื—ื“ืฉ, ื”ื—ื–ืจืช ื›ืจื›ืจื”, ื›ืจื˜ื™ืกื™ื™ื” ืื•ืคืงื™ืช, ื›ืจื˜ื™ืกื™ื™ื” ืื ื›ื™ืช,
ื ื˜ื•ื™ ืื—ื•ืจื™, ื•-NUL, ื‘ื”ืชืืžื”. ื‘ื ื•ืกืฃ, "\x"nn, "\u"nnnn ื•ืืชื”"ื ื ื ื ื”
(ืฉื ื›ืœ ืื—ื“ n ื”ื•ื ืกืคืจื” ื”ืงืกื“ืฆื™ืžืœื™ืช) ืžืชื•ืจื’ืžื™ื ืœืชื•ื•ื™ Unicode
ื”ืชื•ืืžื•ืช ืœื ืงื•ื“ื•ืช ื”ืงื•ื“ ืฉืฆื•ื™ื ื•. ื›ืœ ืฉืืจ ื”ืฉื™ืœื•ื‘ื™ื ืฉืœ ื“ืžื•ืช
ืœืคื ื™ื \ ืื™ื ื ืžื•ืจื—ื‘ื™ื.

-fmodule-private
ื”ื’ื“ืจ ืืช ื ื’ื™ืฉื•ืช ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืฉืœ ื™ืฉื•ื™ื•ืช ืžื•ื“ื•ืœ ืœ-"PRIVATE". ืžืฉื•ื™ืš ืœืฉื™ืžื•ืฉ
ื™ืฉื•ื™ื•ืช ืœื ื™ื”ื™ื• ื ื’ื™ืฉื•ืช ืืœื ืื ื›ืŸ ื”ื•ื›ืจื–ื• ื‘ืžืคื•ืจืฉ ื›"ืฆื™ื‘ื•ืจื™".

-ffixed-line-length-n
ื”ื’ื“ืจ ืขืžื•ื“ื” ืฉืœืื—ืจื™ื” ืžืชืขืœืžื™ื ืžืชื•ื•ื™ื ื‘ืฉื•ืจื•ืช ืงื‘ื•ืขื•ืช ืื•ืคื™ื™ื ื™ื•ืช ื‘-
ืงื•ื‘ืฅ ื”ืžืงื•ืจ, ื•ื“ืจื›ื• ืžื ื™ื—ื™ื ืจื•ื•ื—ื™ื (ื›ืื™ืœื• ืžืจื•ืคื“ื™ื ื‘ืื•ืจืš ื–ื”) ืœืื—ืจื™ื•
ื”ืงืฆื•ื•ืช ืฉืœ ืงื•ื•ื™ื ืงืฆืจื™ื ื‘ืฆื•ืจื” ืงื‘ื•ืขื”.

ืขืจื›ื™ื ืคื•ืคื•ืœืจื™ื™ื ืขื‘ื•ืจ n ื›ื•ืœืœื™ื 72 (ื”ืกื˜ื ื“ืจื˜ ื•ื‘ืจื™ืจืช ื”ืžื—ื“ืœ), 80 (ืชืžื•ื ืช ื›ืจื˜ื™ืก), ื•
132 (ืžืงื‘ื™ืœ ืœืืคืฉืจื•ื™ื•ืช "ืžืงื•ืจ ืžื•ืจื—ื‘" ื‘ื›ืžื” ืžื”ื“ืจื™ื ืคื•ืคื•ืœืจื™ื™ื). n ืื•ืœื™
ื’ื ืœื”ื™ื•ืช ืืฃ ืœื ืื—ื“, ื›ืœื•ืžืจ ื›ืœ ื”ืฉื•ืจื” ื”ื™ื ื‘ืขืœืช ืžืฉืžืขื•ืช ื•ื”ื“ืžื•ืช ื”ืžืฉื™ื›ื” ื”ื–ื•
ืœืงื‘ื•ืขื™ื ืœืขื•ืœื ืœื ืฆื•ืจืคื• ืœื”ื ืจื•ื•ื—ื™ื ืžืจื•ืžื–ื™ื ื›ื“ื™ ืœืžืœื ืืช ื”ืฉื•ืจื”.
-ffixed-line-length-0 ืคื™ืจื•ืฉื• ืื•ืชื• ื“ื‘ืจ ื›ืžื• -ffixed-line-length-none.

-ffree-line-length-n
ื”ื’ื“ืจ ืขืžื•ื“ื” ืฉืื—ืจื™ื” ืžืชืขืœืžื™ื ืžืชื•ื•ื™ื ื‘ืฉื•ืจื•ืช ื˜ื™ืคื•ืกื™ื•ืช ื‘ืฆื•ืจื” ื—ื•ืคืฉื™ืช ื‘ืžืงื•ืจ
ืงื•ึนื‘ึถืฅ. ืขืจืš ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ื”ื•ื 132. n ื™ื›ื•ืœ ืœื”ื™ื•ืช ืืฃ ืœื ืื—ื“, ื›ืœื•ืžืจ ื›ืœ ื”ืฉื•ืจื” ื”ื™ื
ื‘ืขืœ ืžืฉืžืขื•ืช. -ffree-line-length-0 ืคื™ืจื•ืฉื• ืื•ืชื• ื“ื‘ืจ ื›ืžื• -ffree-line-length-none.

-fmax-identifier-length=n
ืฆื™ื™ืŸ ืืช ืื•ืจืš ื”ืžื–ื”ื” ื”ืžืจื‘ื™ ื”ืžื•ืชืจ. ืขืจื›ื™ื ืื•ืคื™ื™ื ื™ื™ื ื”ื 31 (Fortran 95) ื•
63 (Fortran 2003 ื•-Fortran 2008).

-ืคืฉื˜ื ื™-ืื™ืŸ
ืฆื™ื™ืŸ ืฉืœื ืžื•ืชืจืช ื”ืงืœื“ื” ืžืจื•ืžื–ืช, ืืœื ืื ื›ืŸ ื”ื™ื ืขื•ืงืคืช ืขืœ ื™ื“ื™ "IMPLICIT" ื”ืžืคื•ืจืฉืช
ื”ืฆื”ืจื•ืช. ื–ื” ืฉื•ื•ื” ืขืจืš ืœื”ื•ืกืคืช "ืื™ืŸ ืžืจื•ืžื–" ืœื”ืชื—ืœื” ืฉืœ ื›ืœ
ื”ืœื™ืš.

-finteger-4-integer-8
ืงื“ื ืืช ื›ืœ ื”ื™ืฉื•ื™ื•ืช "INTEGER(KIND=4)" ืœื™ืฉื•ื™ื•ืช "INTEGER(KIND=8)". ืื "KIND=8"
ืื™ื ื• ื–ืžื™ืŸ, ืื– ืชื•ืคื™ืข ืฉื’ื™ืื”. ื™ืฉ ืœื”ืฉืชืžืฉ ื‘ืืคืฉืจื•ืช ื–ื• ื‘ื–ื”ื™ืจื•ืช
ื•ื™ื™ืชื›ืŸ ืฉืœื ื™ืชืื™ื ืœืงื•ื“ื™ื ืฉืœืš. ืชื—ื•ืžื™ ื“ืื’ื” ืืคืฉืจื™ื™ื ื›ื•ืœืœื™ื ืฉื™ื—ื•ืช ืืœ
ื ื”ืœื™ื ื—ื™ืฆื•ื ื™ื™ื, ื™ื™ืฉื•ืจ ื‘-"EQUIVALENCE" ื•/ืื• "COMMON", ืžืžืฉืงื™ื ื’ื ืจื™ื™ื,
BOZ ื”ืžืจื” ืงื‘ื•ืขื” ืžื™ืœื•ืœื™ืช, ื•-I/O. ื‘ื“ื™ืงืช ื”ื‘ื™ื ื™ื™ื
ื™ื™ืฆื•ื’ ืฉืœ ืงื•ื“ Fortran ื”ืžืชื•ืจื’ื, ืžื™ื•ืฆืจ ืขืœ ื™ื“ื™ -fdump-ืขืฅ-ืžืงื•ืจื™, ื”ื•ื
ืžื•ึผืฆึธืข.

-fcray-pointer
ื”ืคืขืœ ืืช ื”ืจื—ื‘ื” Cray pointer, ื”ืžืกืคืงืช ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช ืฉืœ ืžืฆื‘ื™ืข ื“ืžื•ื™ C.

-fopenmp
ื”ืคืขืœ ืืช ื”ืจื—ื‘ื•ืช OpenMP. ื–ื” ื›ื•ืœืœ ื”ื ื—ื™ื•ืช OpenMP "!$omp" ื‘ืฆื•ืจื” ื—ื•ืคืฉื™ืช
ื•ื”ื ื—ื™ื•ืช "c$omp", *$omp ื•-"!$omp" ื‘ืฆื•ืจื” ืงื‘ื•ืขื”, "!$" ืงื•ืžืคื™ืœืฆื™ื” ืžื•ืชื ื™ืช
ื–ืงื™ืคื™ื ื‘ืฆื•ืจื” ื—ื•ืคืฉื™ืช ื•-"c$", "*$" ื•-"!$" ื–ืงื™ืคื™ื ื‘ืฆื•ืจื” ืงื‘ื•ืขื”, ื•ืžืชื™
ื”ืงื™ืฉื•ืจ ืžืกื“ืจ ืืช ื”ืงื™ืฉื•ืจ ืฉืœ ืกืคืจื™ื™ืช ื–ืžืŸ ื”ืจื™ืฆื” ืฉืœ OpenMP. ื”ืืคืฉืจื•ืช -fopenmp
ืžืจืžื– -frecursive.

-fno-range-check
ื”ืฉื‘ืช ื‘ื“ื™ืงืช ื˜ื•ื•ื— ืขืœ ืชื•ืฆืื•ืช ืฉืœ ืคื™ืฉื•ื˜ ืฉืœ ื‘ื™ื˜ื•ื™ื™ื ืงื‘ื•ืขื™ื ื‘ืžื”ืœืš
ื”ึทื”ื“ึธืจึธื”. ืœื“ื•ื’ืžื”, GNU Fortran ื™ื™ืชืŸ ืฉื’ื™ืื” ื‘ื–ืžืŸ ื”ืงื•ืžืคื™ืœืฆื™ื” ื›ืืฉืจ
ืžืคืฉื˜ ืืช "a = 1. / 0". ืขื ืืคืฉืจื•ืช ื–ื•, ืœื ืชื™ื ืชืŸ ืฉื’ื™ืื” ื•-"ื" ื™ื”ื™ื”
ื”ื•ืงืฆื” ืืช ื”ืขืจืš "+ืื™ื ืกื•ืฃ". ืื ื‘ื™ื˜ื•ื™ ืžื•ืขืจืš ืœืขืจืš ืžื—ื•ืฅ ืœ-
ื”ื˜ื•ื•ื— ื”ืจืœื•ื•ื ื˜ื™ ืฉืœ ["-HUGE()":"HUGE()"], ืื– ื”ื‘ื™ื˜ื•ื™ ื™ื•ื—ืœืฃ ื‘-"-Inf"
ืื• "+Inf" ืœืคื™ ื”ืžืชืื™ื. ื‘ืื•ืคืŸ ื“ื•ืžื”, "DATA i/Z'FFFFFFFF'/" ื™ื‘ื™ื ืœืžืกืคืจ ืฉืœื
ื”ืฆืคื” ื‘ืจื•ื‘ ื”ืžืขืจื›ื•ืช, ืื‘ืœ ืขื -fno-range-check ื”ืขืจืš "ื™ืขื˜ื•ืฃ" ื•
"i" ื™ืืชื—ืœ ืœ-1 ื‘ืžืงื•ื ื–ืืช.

-freal-4-real-8
-freal-4-real-10
-freal-8-real-4
-freal-8-real-10
-freal-8-real-16
ืงื“ื ืืช ื›ืœ ื”ื™ืฉื•ื™ื•ืช "REAL(KIND=M)" ืœื™ืฉื•ื™ื•ืช "REAL(KIND=N)". ืื "REAL(KIND=N)" ื”ื•ื
ืœื ื–ืžื™ืŸ, ืื– ืชื•ื ืคืง ืฉื’ื™ืื”. ื›ืœ ืฉืืจ ื”ืกื•ื’ื™ื ื”ืืžื™ืชื™ื™ื ืื™ื ื ืžื•ืฉืคืขื™ื
ืœืคื™ ืืคืฉืจื•ืช ื–ื•. ื™ืฉ ืœื”ืฉืชืžืฉ ื‘ืืคืฉืจื•ื™ื•ืช ืืœื• ื‘ื–ื”ื™ืจื•ืช ื•ื™ื™ืชื›ืŸ ืฉืœื ื™ืชืื™ืžื• ืœื”ืŸ
ื”ืงื•ื“ื™ื ืฉืœืš. ืชื—ื•ืžื™ ื“ืื’ื” ืืคืฉืจื™ื™ื ื›ื•ืœืœื™ื ืงืจื™ืื•ืช ืœื ื”ืœื™ื ื—ื™ืฆื•ื ื™ื™ื, ื™ื™ืฉื•ืจ
ื‘-"EQUIVALENCE" ื•/ืื• "COMMON", ืžืžืฉืงื™ื ื’ื ืจื™ื™ื, ื”ืžืจื” ืงื‘ื•ืขื” ืžื™ืœื•ืœื™ืช ืฉืœ BOZ,
ื•-I/O. ื‘ื“ื™ืงื” ืฉืœ ื™ื™ืฆื•ื’ ื”ื‘ื™ื ื™ื™ื ืฉืœ Fortran ื”ืžืชื•ืจื’ื
ืงื•ื“, ืžื™ื•ืฆืจ ืขืœ ื™ื“ื™ -fdump-ืขืฅ-ืžืงื•ืจื™, ืžื•ืฆืข.

-std=std
ืฆื™ื™ืŸ ืืช ื”ืกื˜ื ื“ืจื˜ ืฉืืœื™ื• ืฆืคื•ื™ื” ื”ืชื•ื›ื ื™ืช ืœื”ืชืื™ื, ืฉืขืฉื•ื™ ืœื”ื™ื•ืช ืื—ื“ ืžืžื ื•
f95, f2003, f2008, ื’ื ื•, ืื• ืžื•ืจืฉื”. ืขืจืš ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืขื‘ื•ืจ std is ื’ื ื•, ืืฉืจ ืžืคืจื˜
ืขืจื›ืช ืขืœ ืฉืœ ืชืงืŸ Fortran 95 ื”ื›ื•ืœืœืช ืืช ื›ืœ ื”ื”ืจื—ื‘ื•ืช ื”ื ืชืžื›ื•ืช ืขืœ ื™ื“ื™
GNU Fortran, ืื ื›ื™ ืื–ื”ืจื•ืช ื™ื™ื ืชื ื• ืขื‘ื•ืจ ื”ืจื—ื‘ื•ืช ืžื™ื•ืฉื ื•ืช ืฉืื™ื ืŸ ืžื•ืžืœืฆื•ืช
ืœืฉื™ืžื•ืฉ ื‘ืงื•ื“ ื—ื“ืฉ. ื” ืžื•ืจืฉื” ื”ืขืจืš ืฉื•ื•ื” ืขืจืš ืืš ืœืœื ื”ืื–ื”ืจื•ืช ืขื‘ื•ืจ
ื”ืจื—ื‘ื•ืช ืžื™ื•ืฉื ื•ืช, ื•ืขืฉื•ื™ื•ืช ืœื”ื™ื•ืช ืฉื™ืžื•ืฉื™ื•ืช ืขื‘ื•ืจ ืชื•ื›ื ื™ื•ืช ื™ืฉื ื•ืช ืœื ืกื˜ื ื“ืจื˜ื™ื•ืช. ื” f95, f2003
ื• f2008 ื”ืขืจื›ื™ื ืžืฆื™ื™ื ื™ื ื”ืชืืžื” ืงืคื“ื ื™ืช ืœ- Fortran 95, Fortran 2003 ื•
ืชืงื ื™ Fortran 2008, ื‘ื”ืชืืžื”; ื ื™ืชื ื•ืช ืฉื’ื™ืื•ืช ืขื‘ื•ืจ ื›ืœ ื”ื”ืจื—ื‘ื•ืช ืžืขื‘ืจ ืœ
ืชืงืŸ ื”ืฉืคื” ื”ืจืœื•ื•ื ื˜ื™, ื•ืื–ื”ืจื•ืช ื ื™ืชื ื•ืช ืขื‘ื•ืจ Fortran 77 ืชื›ื•ื ื•ืช ื–ื”
ืžื•ืชืจื™ื ืืš ืžื™ื•ืฉื ื™ื ื‘ืชืงื ื™ื ืžืื•ื—ืจื™ื ื™ื•ืชืจ. -std=f2008ts ืžืืคืฉืจ ืืช Fortran 2008
ืชืงืŸ ื›ื•ืœืœ ื”ืชื•ืกืคื•ืช ืฉืœ ื”ืžืคืจื˜ ื”ื˜ื›ื ื™ (TS) 29113 ืขืœ ื”ืžืฉืš
ื™ื›ื•ืœืช ืคืขื•ืœื” ื”ื“ื“ื™ืช ืฉืœ Fortran ืขื C.

ืืคืฉืจ ื• ืื™ืฉื™ืช ืขื™ื‘ื•ื“ ืžืงื“ื™ื
ืืคืฉืจื•ื™ื•ืช ื”ืงืฉื•ืจื•ืช ืœืงื“ื-ืžืขื‘ื“. ืจืื” ืกืขื™ืฃ ืขื™ื‘ื•ื“ ืžื•ืงื“ื ื• ืžื•ืชื ื” ืงื•ืžืคื™ืœืฆื™ื” ืœ
ืžื™ื“ืข ืžืคื•ืจื˜ ื™ื•ืชืจ ืขืœ ืขื™ื‘ื•ื“ ืžืงื“ื™ื ื‘ ื’ืคื•ืจื˜ืจืŸ.

-cpp
-nocpp
ืืคืฉืจ ืขื™ื‘ื•ื“ ืžืงื“ื™ื. ื”ืžืขื‘ื“ ื”ืžืงื“ื™ื ืžื•ืคืขืœ ืื•ื˜ื•ืžื˜ื™ืช ืื ืกื™ื•ืžืช ื”ืงื•ื‘ืฅ
is .fpp, .FPP, .F, .ืœ, .FTN, .XXXXX, .XXXXX, .XXXXX or .XXXXX. ื”ืฉืชืžืฉ ื‘ืืคืฉืจื•ืช ื–ื• ื›ื“ื™ ื™ื“ื ื™ืช
ืืคืฉืจ ืขื™ื‘ื•ื“ ืžืงื“ื™ื ืฉืœ ื›ืœ ืกื•ื’ ืฉืœ ืงื•ื‘ืฅ Fortran.

ื›ื“ื™ ืœื”ืฉื‘ื™ืช ืขื™ื‘ื•ื“ ืžืงื“ื™ื ืฉืœ ืงื‘ืฆื™ื ืขื ื›ืœ ืื—ืช ืžื”ื”ืจื—ื‘ื•ืช ื”ืžืคื•ืจื˜ื•ืช ืœืขื™ืœ, ื”ืฉืชืžืฉ ื‘-
ื˜ื•ืคืก ืฉืœื™ืœื™: -nocpp.

ื”ืžืขื‘ื“ ื”ืžืงื“ื™ื ืžื•ืคืขืœ ื‘ืžืฆื‘ ืžืกื•ืจืชื™. ื›ืœ ื”ื’ื‘ืœื” ืฉืœ ืคื•ืจืžื˜ ื”ืงื•ื‘ืฅ,
ื‘ืžื™ื•ื—ื“ ื”ืžื’ื‘ืœื•ืช ืขืœ ืื•ืจืš ื”ืงื•, ื—ืœื•ืช ื’ื ืขืœ ืคืœื˜ ืžืขื•ื‘ื“ ืžืจืืฉ, ืื– ื–ื”
ืื•ืœื™ ืžื•ืžืœืฅ ืœื”ืฉืชืžืฉ ื‘ -ffree-line-length-none or -ffixed-line-length-none
ืืคืฉืจื•ื™ื•ืช.

-dM ื‘ืžืงื•ื ื”ืคืœื˜ ื”ืจื’ื™ืœ, ืฆื•ืจ ืจืฉื™ืžื” ืฉืœ ื”ื ื—ื™ื•ืช '#define' ืขื‘ื•ืจ ื›ืœ
ืคืงื•ื“ื•ืช ืžืืงืจื• ืฉื”ื•ื’ื“ืจื• ื‘ืžื”ืœืš ื‘ื™ืฆื•ืข ื”ืžืขื‘ื“ ื”ืžืงื“ื™ื, ื›ื•ืœืœ ืคืงื•ื“ื•ืช ืžืืงืจื• ืžื•ื’ื“ืจื•ืช ืžืจืืฉ.
ื–ื” ื ื•ืชืŸ ืœืš ื“ืจืš ืœื’ืœื•ืช ืžื” ืžื•ื’ื“ืจ ืžืจืืฉ ื‘ื’ืจืกื” ืฉืœืš ืฉืœ
ืžืขื‘ื“ ืงื“ื. ื‘ื”ื ื—ื” ืฉืื™ืŸ ืœืš ืงื•ื‘ืฅ foo.f90, ื”ืคืงื•ื“ื”

ืžื’ืข foo.f90; gfortran -cpp -E -dM foo.f90

ื™ืฆื™ื’ ืืช ื›ืœ ื”ืžืืงืจื• ืฉื”ื•ื’ื“ืจื• ืžืจืืฉ.

-dD ื›ืžื• -dM ืืœื ืžืฉื ื™ ื”ื™ื‘ื˜ื™ื: ื”ื•ื ืื™ื ื• ื›ื•ืœืœ ืืช ืคืงื•ื“ื•ืช ื”ืžืืงืจื• ื”ืžื•ื’ื“ืจื•ืช ืžืจืืฉ, ื•ื”ื•ื
ืžืคืœื˜ ื’ื ืืช ื”ื ื—ื™ื•ืช "#define" ื•ื’ื ืืช ื”ืชื•ืฆืื” ืฉืœ ืขื™ื‘ื•ื“ ืžืงื“ื™ื. ืฉื ื™ ื”ืกื•ื’ื™ื ืฉืœ
ืคืœื˜ ืขื‘ื•ืจ ืœืงื•ื‘ืฅ ื”ืคืœื˜ ื”ืกื˜ื ื“ืจื˜ื™.

-dN ื›ืžื• -dD, ืื‘ืœ ืคื•ืœื˜ ืจืง ืืช ืฉืžื•ืช ื”ืžืืงืจื•, ืœื ืืช ื”ื”ืจื—ื‘ื•ืช ืฉืœื”ื.

-dU ื›ืžื• dD ืืœื ืฉืจืง ืคืงื•ื“ื•ืช ืžืืงืจื• ืžื•ืจื—ื‘ื•ืช, ืื• ืฉื”ื’ื“ืจืชืŸ ื ื‘ื“ืงืช ื‘ื”ืŸ
ื”ื ื—ื™ื•ืช ืงื“ื-ืžืขื‘ื“, ื”ืŸ ืคืœื˜; ื”ืคืœื˜ ืžืชืขื›ื‘ ืขื“ ืœืฉื™ืžื•ืฉ ืื• ืœื‘ื“ื™ืงื” ืฉืœ
ื”ืžืืงืจื•; ื”ื ื—ื™ื•ืช ื•'#undef' ืžื•ืคืงื•ืช ื’ื ืขื‘ื•ืจ ืคืงื•ื“ื•ืช ืžืืงืจื• ืฉื ื‘ื“ืงื• ืืš ืœื ืžื•ื’ื“ืจื•ืช ื‘-
ื”ื–ืžืŸ.

-ื“ื™ ืคืœื˜ ื”ื ื—ื™ื•ืช '#include' ื‘ื ื•ืกืฃ ืœืชื•ืฆืื” ืฉืœ ืขื™ื‘ื•ื“ ืžืงื“ื™ื.

-fworking-ืžื“ืจื™ืš
ืืคืฉืจ ื™ืฆื™ืจื” ืฉืœ ืกืžื ื™ ืงื•ื•ื™ื ื‘ืคืœื˜ ื”ืคืจื”-ืžืขื‘ื“ ืฉื™ืืคืฉืจื• ืœืžื”ื“ืจ
ืœื“ืขืช ืืช ืกืคืจื™ื™ืช ื”ืขื‘ื•ื“ื” ื”ื ื•ื›ื—ื™ืช ื‘ื–ืžืŸ ื”ืขื™ื‘ื•ื“ ื”ืžืงื“ื™ื. ื›ืืฉืจ ืืคืฉืจื•ืช ื–ื• ื”ื™ื
ืžื•ืคืขืœืช, ื”ืžืขื‘ื“ ื”ืžืงื“ื™ื ื™ืคืœื•ื˜, ืœืื—ืจ ืกืžืŸ ื”ืงื• ื”ืจืืฉื•ื ื™, ืกืžืŸ ืงื• ืฉื ื™
ืขื ืกืคืจื™ื™ืช ื”ืขื‘ื•ื“ื” ื”ื ื•ื›ื—ื™ืช ื•ืื—ืจื™ื” ืฉื ื™ ืงื•ื•ื™ื. GCC ื™ืฉืชืžืฉ ื‘ื–ื”
ืกืคืจื™ื™ื”, ื›ืืฉืจ ื”ื™ื ืงื™ื™ืžืช ื‘ืงืœื˜ ื”ืžืขื•ื‘ื“ ืžืจืืฉ, ื›ืžื• ื”ืกืคืจื™ื™ื” ืฉื ืคืœื˜ื” ื›
ืกืคืจื™ื™ืช ื”ืขื‘ื•ื“ื” ื”ื ื•ื›ื—ื™ืช ื‘ื—ืœืง ืžื”ืคื•ืจืžื˜ื™ื ืฉืœ ืžื™ื“ืข ืื™ืชื•ืจ ื‘ืื’ื™ื. ืืคืฉืจื•ืช ื–ื• ื”ื™ื
ืžื•ืคืขืœ ื‘ืื•ืคืŸ ืžืจื•ืžื– ืื ืžื™ื“ืข ื ื™ืคื•ื™ ื‘ืื’ื™ื ืžื•ืคืขืœ, ืืš ื ื™ืชืŸ ืœืžื ื•ืข ื–ืืช ื‘ืืžืฆืขื•ืช
ื”ืฆื•ืจื” ื”ืฉืœื™ืœื” -fno-working-directory. ืื -P ื“ื’ืœ ืงื™ื™ื ื‘ืคืงื•ื“ื”
ืฉื•ืจื”, ืœืืคืฉืจื•ืช ื–ื• ืื™ืŸ ื”ืฉืคืขื”, ืžื›ื™ื•ื•ืŸ ืฉืœื ื ืคืœื˜ื• ื”ื ื—ื™ื•ืช "#line" ื›ืœืฉื”ืŸ.

-ื™ื“irafter dir
ื—ื™ืคื•ืฉ dir ืขื‘ื•ืจ ืงื‘ืฆื™ include, ืืš ืขืฉื” ื–ืืช ืœืื—ืจ ื›ืœ ื”ืกืคืจื™ื•ืช ืฉืฆื•ื™ื ื• ืขื -I ื•
ืกืคืจื™ื•ืช ื”ืžืขืจื›ืช ื”ืกื˜ื ื“ืจื˜ื™ื•ืช ืžื•ืฆื•. dir ืžืชื™ื™ื—ืกื™ื ืืœื™ื• ื›ืืœ ืžืขืจื›ืช
ื›ื•ืœืœ ืกืคืจื™ื™ื”. ืื dir ืžืชื—ื™ืœ ื‘-=", ืื– ื”-"=" ื™ื•ื—ืœืฃ ื‘-
ืงื™ื“ื•ืžืช sysroot; ืœึดืจึฐืื•ึนืช --sysroot ื• -isysroot.

-ืื™ืžื•ืœื˜ื™ื‘ื™ dir
ื”ืฉืชืžืฉ dir ื›ืกืคืจื™ื™ืช ืžืฉื ื” ืฉืœ ื”ืกืคืจื™ื™ื” ื”ืžื›ื™ืœื” ื›ื•ืชืจื•ืช C++ ืกืคืฆื™ืคื™ื•ืช ืœื™ืขื“.

-iprefix ืงื™ื“ื•ืžืช
ืœืคืจื˜ ืงื™ื“ื•ืžืช ื‘ืชื•ืจ ื”ืงื™ื“ื•ืžืช ืขื‘ื•ืจ ื”ื‘ืื•ืช -iwithprefix ืืคืฉืจื•ื™ื•ืช. ืื ื” ืงื™ื“ื•ืžืช
ืžื™ื™ืฆื’ ืกืคืจื™ื™ื”, ืขืœื™ืš ืœื›ืœื•ืœ ืืช ื”-'/' ื”ืกื•ืคื™.

-isysroot dir
ืืคืฉืจื•ืช ื–ื• ื”ื™ื ื›ืžื• ื” --sysroot ืืคืฉืจื•ืช, ืืš ื—ืœื” ืจืง ืขืœ ืงื•ื‘ืฆื™ ื›ื•ืชืจืช. ืจืื” ืืช
--sysroot ืืคืฉืจื•ืช ืœืžื™ื“ืข ื ื•ืกืฃ.

-ืื ื™ ืžืฆื˜ื˜ dir
ื—ื™ืคื•ืฉ dir ืจืง ืขื‘ื•ืจ ืงื‘ืฆื™ ื›ื•ืชืจืช ืฉื”ืชื‘ืงืฉื• ืขื "#include "file""; ื”ื ืœื
ื—ื™ืคืฉ ืืช "#include ", ืœืคื ื™ ื›ืœ ื”ืžื“ืจื™ื›ื™ื ืฉืฆื•ื™ื ื• ืขืœ ื™ื“ื™ -I ื•ืœืคื ื™
ืกืคืจื™ื•ืช ืžืขืจื›ืช ืกื˜ื ื“ืจื˜ื™ื•ืช. ืื dir ืžืชื—ื™ืœ ื‘-"=", ื•ืื– ื”-"=" ื™ื•ื—ืœืฃ ื‘-
ืงื™ื“ื•ืžืช ื”-sysroot; ืœึดืจึฐืื•ึนืช --sysroot ื• -isysroot.

-ืžืขืจื›ืช dir
ื—ื™ืคื•ืฉ dir ืขื‘ื•ืจ ืงื•ื‘ืฆื™ ื›ื•ืชืจื•ืช, ืœืื—ืจ ื›ืœ ื”ืกืคืจื™ื•ืช ืฉืฆื•ื™ื ื• ืขืœ ื™ื“ื™ -I ืื‘ืœ ืœืคื ื™
ืกืคืจื™ื•ืช ืžืขืจื›ืช ืกื˜ื ื“ืจื˜ื™ื•ืช. ืกืžืŸ ืื•ืชื• ื›ืกืคืจื™ื™ืช ืžืขืจื›ืช, ื›ืš ืฉื”ื•ื ื™ืงื‘ืœ ืื•ืชื• ื“ื‘ืจ
ื˜ื™ืคื•ืœ ืžื™ื•ื—ื“ ื›ืคื™ ืฉืžื™ื•ืฉื ืขืœ ืกืคืจื™ื•ืช ื”ืžืขืจื›ืช ื”ืกื˜ื ื“ืจื˜ื™ื•ืช. ืื dir ืžืชื—ื™ืœ ืขื
"=", ืื– ื”-"=" ื™ื•ื—ืœืฃ ื‘ืงื™ื“ื•ืžืช sysroot; ืœึดืจึฐืื•ึนืช --sysroot ื• -isysroot.

-ื ื•ืกื˜ื“ื™ื ืง
ืืœ ืชื—ืคืฉ ื‘ืกืคืจื™ื•ืช ื”ืžืขืจื›ืช ื”ืกื˜ื ื“ืจื˜ื™ื•ืช ืขื‘ื•ืจ ืงื‘ืฆื™ ื›ื•ืชืจื•ืช. ืจืง ื”ืžื“ืจื™ื›ื™ื
ืฉืฆื™ื™ื ืช ืขื -I ืืคืฉืจื•ื™ื•ืช (ื•ื”ืกืคืจื™ื™ื” ืฉืœ ื”ืงื•ื‘ืฅ ื”ื ื•ื›ื—ื™, ืื
ืžืชืื™ื) ืžื—ืคืฉื™ื.

-undef
ืืœ ืชื’ื“ื™ืจ ืžืจืืฉ ืคืงื•ื“ื•ืช ืžืืงืจื• ืกืคืฆื™ืคื™ื•ืช ืœืžืขืจื›ืช ืื• GCC ืกืคืฆื™ืคื™ื•ืช. ื”ืชืงืŸ ืฉื”ื•ื’ื“ืจ ืžืจืืฉ
ืคืงื•ื“ื•ืช ืžืืงืจื• ื ืฉืืจื•ืช ืžื•ื’ื“ืจื•ืช.

-Aืœึฐื‘ึทืกึตืก=ืœืขื ื•ืช
ืงื‘ืข ื˜ืขื ื” ืขื ื”ืคืจื“ื™ืงื˜ ืœึฐื‘ึทืกึตืก ื•ืชืขื ื” ืœืขื ื•ืช. ื˜ื•ืคืก ื–ื” ื”ื•ื
ื”ืขื“ื™ืคื• ืืช ื”ืฆื•ืจื” ื”ื™ืฉื ื” ื™ื•ืชืจ -A predicate(ืชืฉื•ื‘ื”), ืฉืขื“ื™ื™ืŸ ื ืชืžื›ืช ื‘ื’ืœืœ ื–ื”
ืื™ื ื• ืžืฉืชืžืฉ ื‘ืชื•ื•ื™ื ืžื™ื•ื—ื“ื™ื ืฉืœ ืžืขื˜ืคืช.

-ื-ืœึฐื‘ึทืกึตืก=ืœืขื ื•ืช
ื‘ื˜ืœ ื˜ืขื ื” ืขื ื”ืคืจื“ื™ืงื˜ ืœึฐื‘ึทืกึตืก ื•ืชืขื ื” ืœืขื ื•ืช.

-C ืืœ ืชื‘ื˜ืœ ื”ืขืจื•ืช. ื›ืœ ื”ื”ืขืจื•ืช ืžื•ืขื‘ืจื•ืช ืœืงื•ื‘ืฅ ื”ืคืœื˜, ืœืžืขื˜
ืœื”ืขืจื•ืช ื‘ื”ื ื—ื™ื•ืช ืžืขื•ื‘ื“ื•ืช, ืฉื ืžื—ืงื•ืช ื™ื—ื“ ืขื ื”ื”ื•ืจืื”.

ืืชื” ืฆืจื™ืš ืœื”ื™ื•ืช ืžื•ื›ืŸ ืœืชื•ืคืขื•ืช ืœื•ื•ืื™ ื‘ืขืช ื”ืฉื™ืžื•ืฉ -C; ื–ื” ื’ื•ืจื ืœืžืขื‘ื“ ื”ืงื“ื
ืœื”ืชื™ื™ื—ืก ืœื”ืขืจื•ืช ื›ืืœ ืืกื™ืžื•ื ื™ื ื‘ืคื ื™ ืขืฆืžื. ืœื“ื•ื’ืžื”, ื”ืขืจื•ืช ื”ืžื•ืคื™ืขื•ืช ื‘-
ื”ืชื—ืœื” ืฉืœ ืžื” ืฉื™ื”ื™ื” ืงื• ื”ื ื—ื™ื” ืžืฉืคื™ืขื” ืœื”ืคื•ืš ืืช ื”ืงื• ื”ื–ื” ืœ-an
ืฉื•ืจืช ืžืงื•ืจ ืจื’ื™ืœื”, ืžื›ื™ื•ื•ืŸ ืฉื”ืืกื™ืžื•ืŸ ื”ืจืืฉื•ืŸ ื‘ืฉื•ืจื” ืื™ื ื• ืขื•ื“ '#'.

ืื–ื”ืจื”: ื›ืจื’ืข ื–ื” ืžื˜ืคืœ ื‘ื”ืขืจื•ืช C-Style ื‘ืœื‘ื“. ื”ืžืขื‘ื“ ื”ืžืงื“ื™ื ืขื“ื™ื™ืŸ ืœื
ืœื–ื”ื•ืช ื”ืขืจื•ืช ื‘ืกื’ื ื•ืŸ Fortran.

-CC ืื™ืŸ ืœื”ืฉืœื™ืš ื”ืขืจื•ืช, ื›ื•ืœืœ ื‘ืžื”ืœืš ื”ืจื—ื‘ืช ืžืืงืจื•. ื–ื” ื›ืžื• -C, ืžืœื‘ื“
ืฉื”ื”ืขืจื•ืช ื”ื›ืœื•ืœื•ืช ื‘ืคืงื•ื“ื•ืช ืžืืงืจื• ืžื•ืขื‘ืจื•ืช ื’ื ืœืงื•ื‘ืฅ ื”ืคืœื˜ ืฉื‘ื•
ื”ืžืืงืจื• ืžื•ืจื—ื‘.

ื‘ื ื•ืกืฃ ืœืชื•ืคืขื•ืช ื”ืœื•ื•ืื™ ืฉืœ -C ืืคืฉืจื•ืช, -CC ืืคืฉืจื•ืช ื’ื•ืจืžืช ืœื›ืœ ืกื’ื ื•ืŸ C++
ื”ืขืจื•ืช ื‘ืชื•ืš ืžืืงืจื• ืœื”ืžืจื” ืœื”ืขืจื•ืช ื‘ืกื’ื ื•ืŸ C. ื–ืืช ื›ื“ื™ ืœืžื ื•ืข ืžืื•ื—ืจ ื™ื•ืชืจ
ืฉื™ืžื•ืฉ ื‘ืžืืงืจื• ื”ื–ื” ืžื”ืขืจื” ื‘ืฉื•ื’ื’ ืขืœ ืฉืืจ ืฉื•ืจืช ื”ืžืงื•ืจ.
ืืœ ื”ืื ื™ -CC ื”ืื•ืคืฆื™ื” ืžืฉืžืฉืช ื‘ื“ืจืš ื›ืœืœ ืœืชืžื™ื›ื” ื‘ื”ืขืจื•ืช ืžื•ืš.

ืื–ื”ืจื”: ื–ื” ื›ืจื’ืข ืžื˜ืคืœ ื‘ื”ืขืจื•ืช C- ื•-C++-Style ื‘ืœื‘ื“. ื”ืžืขื‘ื“ ื”ืžืงื“ื™ื ื›ืŸ
ืขื“ื™ื™ืŸ ืœื ืžื–ื”ื” ื”ืขืจื•ืช ื‘ืกื’ื ื•ืŸ Fortran.

-Dืฉื
ื”ื’ื“ืจ ืžืจืืฉ ืืช ื”ืฉื ื›ืžืืงืจื•, ืขื ื”ื’ื“ืจื” 1.

-Dืฉื=ื”ื’ื“ืจื”
ื”ืชื•ื›ืŸ ืฉืœ ื”ื’ื“ืจื” ืžืกื•ืžื ื™ื ื•ืžืขื•ื‘ื“ื™ื ื›ืื™ืœื• ื”ื•ืคื™ืขื• ื‘ืžื”ืœืš
ืชืจื’ื•ื ืฉืœื‘ ืฉืœื™ืฉื™ ื‘ื”ื ื—ื™ื™ืช '#define'. ื‘ืคืจื˜, ื”ื”ื’ื“ืจื” ืชื”ื™ื”
ื™ืงื•ืฆืฅ ืขืœ ื™ื“ื™ ืชื•ื•ื™ ืงื• ื—ื“ืฉ ืžื•ื˜ื‘ืขื™ื.

ืื ืืชื” ืžืคืขื™ืœ ืืช ื”ืžืขื‘ื“ ืžืจืืฉ ืžืชื•ื›ื ื™ืช ืžืขื˜ืคืช ืื• ื“ืžื•ื™ืช ืžืขื˜ืคืช, ื™ื™ืชื›ืŸ ืฉืชืฆื˜ืจืš
ืœื”ืฉืชืžืฉ ื‘ืชื—ื‘ื™ืจ ื”ืฆื™ื˜ื•ื˜ื™ื ืฉืœ ื”ืžืขื˜ืคืช ื›ื“ื™ ืœื”ื’ืŸ ืขืœ ืชื•ื•ื™ื ื›ื’ื•ืŸ ืจื•ื•ื—ื™ื ืฉื™ืฉ ืœื”ื ื
ืžืฉืžืขื•ืช ื‘ืชื—ื‘ื™ืจ ื”ืžืขื˜ืคืช.

ืื ื‘ืจืฆื•ื ืš ืœื”ื’ื“ื™ืจ ืžืืงืจื• ื“ืžื•ื™ ืคื•ื ืงืฆื™ื” ื‘ืฉื•ืจืช ื”ืคืงื•ื“ื”, ื›ืชื•ื‘ ืืช ื”ืืจื’ื•ืžื ื˜ ืฉืœื•
ืจืฉื™ืžื” ืขื ืกื•ื’ืจื™ื™ื ืžืกื‘ื™ื‘ ืœืคื ื™ ืกื™ืžืŸ ื”ืฉื•ื•ื™ื•ืŸ (ืื ื™ืฉ). ืกื•ื’ืจื™ื™ื ื”ื
ืžืฉืžืขื•ืชื™ ืœืจื•ื‘ ื”ืคื’ื–ื™ื, ืื– ืชืฆื˜ืจืš ืœืฆื˜ื˜ ืืช ื”ืืคืฉืจื•ืช. ืขื sh ื•-csh,
"-D'name(args...)=definition'" ืขื•ื‘ื“.

-D ื• -U ื”ืืคืฉืจื•ื™ื•ืช ืžืขื•ื‘ื“ื•ืช ืœืคื™ ื”ืกื“ืจ ืฉื”ืŸ ื ื™ืชื ื•ืช ื‘ืฉื•ืจืช ื”ืคืงื•ื“ื”. ืืช ื›ืœ
ืืคืฉืจื•ื™ื•ืช -imacros file ื•-include file ืžืขื•ื‘ื“ื•ืช ืœืื—ืจ ื›ืœ ืืคืฉืจื•ื™ื•ืช -D ื•-U.

-H ื”ื“ืคืก ืืช ื”ืฉื ืฉืœ ื›ืœ ืงื•ื‘ืฅ ื›ื•ืชืจืช ื‘ืฉื™ืžื•ืฉ, ื‘ื ื•ืกืฃ ืœืคืขื™ืœื•ื™ื•ืช ืจื’ื™ืœื•ืช ืื—ืจื•ืช. ื›ืœ ืื—ื“
ื”ืฉื ืžื•ืืจืš ื›ื“ื™ ืœื”ืจืื•ืช ื›ืžื” ืขืžื•ืง ื‘ืขืจื™ืžืช '#include' ื”ื•ื ื ืžืฆื.

-P ืขื™ื›ื•ื‘ ื™ืฆื™ืจืช ืกืžื ื™ ืงื•ื•ื™ื ื‘ืคืœื˜ ืžื”ืงื“ื-ืžืขื‘ื“. ื–ื” ื™ื›ื•ืœ ืœื”ื™ื•ืช
ืฉื™ืžื•ืฉื™ ื‘ืขืช ื”ืคืขืœืช ื”ืคืจื”-ืžืขื‘ื“ ืขืœ ืžืฉื”ื• ืฉืื™ื ื• ืงื•ื“ C, ื•ื™ื™ืฉืœื—
ืœืชื•ื›ื ื™ืช ืฉืขืœื•ืœื” ืœื”ืชื‘ืœื‘ืœ ืขืœ ื™ื“ื™ ืกืžื ื™ ื”ืงื•.

-Uืฉื
ื‘ื˜ืœ ื›ืœ ื”ื’ื“ืจื” ืงื•ื“ืžืช ืฉืœ ืฉื, ืžื•ื‘ื ื” ืื• ืžืกื•ืคืง ืขื ื -D ืื•ึนืคึผึฐืฆึดื™ึธื”.

ืืคืฉืจื•ื™ื•ืช ืœ ืœื‘ืงืฉ or ืœื“ื›ื ืฉื’ื™ืื•ืช ื• ืื–ื”ืจื•ืช
ืฉื’ื™ืื•ืช ื”ืŸ ื”ื•ื“ืขื•ืช ืื‘ื—ื•ืŸ ื”ืžื“ื•ื•ื—ื•ืช ื›ื™ ื”ืžื”ื“ืจ ืฉืœ GNU Fortran ืื™ื ื• ื™ื›ื•ืœ ืœื”ื“ืจ
ืงื˜ืข ืงื•ื“ ื”ืžืงื•ืจ ื”ืจืœื•ื•ื ื˜ื™. ื”ืžื”ื“ืจ ื™ืžืฉื™ืš ืœืขื‘ื“ ืืช ื”ืชื•ื›ื ื™ืช ื‘
ื ื™ืกื™ื•ืŸ ืœื“ื•ื•ื— ืขืœ ืฉื’ื™ืื•ืช ื ื•ืกืคื•ืช ื›ื“ื™ ืœืกื™ื™ืข ื‘ืื™ืชื•ืจ ื‘ืื’ื™ื, ืืš ืœื ื™ื™ืฆื•ืจ ืืฃ ืงื•ืžืคื™ืœืฆื™ื”
ืคืœื˜.

ืื–ื”ืจื•ืช ื”ืŸ ื”ื•ื“ืขื•ืช ืื‘ื—ื•ืŸ ื”ืžื“ื•ื•ื—ื•ืช ืขืœ ืžื‘ื ื™ื ืฉืื™ื ื ืžื˜ื‘ืขื
ืฉื’ื•ื™ื™ื ืืš ืžืกื•ื›ื ื™ื ืื• ืžืจืžื–ื™ื ืขืœ ื›ืš ืฉื™ืฉ ื‘ืื’ ื‘ืชื•ื›ื ื™ืช.
ืึถืœึธื ืึดื -ืฉื’ื™ืื” ืฆื•ื™ืŸ, ื”ื ืื™ื ื ืžื•ื ืขื™ื ื”ื™ื“ื•ืจ ืฉืœ ื”ืชื•ื›ื ื™ืช.

ืืชื” ื™ื›ื•ืœ ืœื‘ืงืฉ ืื–ื”ืจื•ืช ืกืคืฆื™ืคื™ื•ืช ืจื‘ื•ืช ืขื ืืคืฉืจื•ื™ื•ืช ืฉืžืชื—ื™ืœื•ืช -W, ืœืžืฉืœ - ืžืจื•ืžื–
ืœื‘ืงืฉ ืื–ื”ืจื•ืช ืขืœ ื”ืฆื”ืจื•ืช ืžืจื•ืžื–ื•ืช. ื’ื ื›ืœ ืื—ืช ืžืืคืฉืจื•ื™ื•ืช ื”ืื–ื”ืจื” ื”ืกืคืฆื™ืคื™ื•ืช ื”ืœืœื•
ื™ืฉ ืฆื•ืจื” ืฉืœื™ืœื™ืช ืžืชื—ื™ืœื” -ืœื- ืœื‘ื˜ืœ ืื–ื”ืจื•ืช; ืœื“ื•ื’ืžื”, -ืœื ืžืจื•ืžื–.
ืžื“ืจื™ืš ื–ื” ืžืคืจื˜ ืจืง ืื—ื“ ืžืฉื ื™ ื”ื˜ืคืกื™ื, ืžื” ืฉืื™ื ื• ื‘ืจื™ืจืช ื”ืžื—ื“ืœ.

ืืคืฉืจื•ื™ื•ืช ืืœื” ืฉื•ืœื˜ื•ืช ื‘ื›ืžื•ืช ื•ืกื•ื’ื™ ื”ืฉื’ื™ืื•ืช ื•ื”ืื–ื”ืจื•ืช ื”ืžื™ื•ืฆืจื•ืช ืขืœ ื™ื“ื™ GNU Fortran:

-fmax-errors=n
ืžื’ื‘ื™ืœ ืืช ื”ืžืกืคืจ ื”ืžืจื‘ื™ ืฉืœ ื”ื•ื“ืขื•ืช ืฉื’ื™ืื” ืœ n, ื•ื‘ืฉืœื‘ ื–ื” GNU Fortran ืžื—ืœืฅ
ื‘ืžืงื•ื ืœื ืกื•ืช ืœื”ืžืฉื™ืš ื•ืœืขื‘ื“ ืืช ืงื•ื“ ื”ืžืงื•ืจ. ืื n ื”ื•ื 0, ืื™ืŸ
ื”ื’ื‘ืœื” ืขืœ ืžืกืคืจ ื”ื•ื“ืขื•ืช ื”ืฉื’ื™ืื” ื”ืžื•ืคืงื•ืช.

-fsyntax-ื‘ืœื‘ื“
ื‘ื“ื•ืง ืืช ื”ืงื•ื“ ืœืื™ืชื•ืจ ืฉื’ื™ืื•ืช ืชื—ื‘ื™ืจ, ืืš ืืœ ืชืงืžืคืœ ืื•ืชื• ื‘ืคื•ืขืœ. ื–ื” ื™ื™ืฆื•ืจ
ืงื•ื‘ืฆื™ ืžื•ื“ื•ืœ ืขื‘ื•ืจ ื›ืœ ืžื•ื“ื•ืœ ื”ืงื™ื™ื ื‘ืงื•ื“, ืืš ืื™ืŸ ืงื•ื‘ืฅ ืคืœื˜ ืื—ืจ.

-ืงึทืคึผึฐื“ึธื ึดื™
ืคืจืกื ืื–ื”ืจื•ืช ืœืฉื™ืžื•ืฉื™ื ื‘ื”ืจื—ื‘ื•ืช ืœ-Fortran 95. -ืงึทืคึผึฐื“ึธื ึดื™ ื—ืœ ื’ื ืขืœ
ืžื‘ื ื™ื ื‘ืฉืคืช C ื”ื™ื›ืŸ ืฉื”ื ืžืชืจื—ืฉื™ื ื‘ืงื•ื‘ืฆื™ ืžืงื•ืจ ืฉืœ GNU Fortran, ื›ื’ื•ืŸ ืฉื™ืžื•ืฉ ื‘ \e
ื‘ืงื‘ื•ืข ืชื• ื‘ืชื•ืš ื”ื•ืจืื” ื›ืžื• "#include".

ืชื•ื›ื ื™ื•ืช ืชืงืคื•ืช ืฉืœ Fortran 95 ืฆืจื™ื›ื•ืช ืœื”ื“ืจ ื›ืจืื•ื™ ืขื ืื• ื‘ืœื™ ืืคืฉืจื•ืช ื–ื•.
ืขื ื–ืืช, ืœืœื ืืคืฉืจื•ืช ื–ื•, ื”ืจื—ื‘ื•ืช ืžืกื•ื™ืžื•ืช ืฉืœ GNU ื•ืชื›ื•ื ื•ืช Fortran ืžืกื•ืจืชื™ื•ืช
ื ืชืžื›ื™ื ื’ื ื›ืŸ. ืขื ืืคืฉืจื•ืช ื–ื•, ืจื‘ื™ื ืžื”ื ื ื“ื—ื™ื.

ื—ืœืง ืžื”ืžืฉืชืžืฉื™ื ืžื ืกื™ื ืœื”ืฉืชืžืฉ -ืงึทืคึผึฐื“ึธื ึดื™ ื›ื“ื™ ืœื‘ื“ื•ืง ืืช ื”ืชืื™ืžื•ืช ืฉืœ ืชื•ื›ื ื™ื•ืช. ื‘ืงืจื•ื‘ ื”ื ืžื•ืฆืื™ื
ืฉื–ื” ืœื ืขื•ืฉื” ื‘ื“ื™ื•ืง ืžื” ืฉื”ื ืจื•ืฆื™ื --- ื–ื” ืžื•ืฆื ื›ืžื” ืคืจืงื˜ื™ืงื•ืช ืœื ืกื˜ื ื“ืจื˜ื™ื•ืช, ืื‘ืœ
ืœื ื”ื›ืœ. ืขื ื–ืืช, ืฉื™ืคื•ืจื™ื ืœ-GNU Fortran ื‘ืชื—ื•ื ื–ื” ื™ืชืงื‘ืœื• ื‘ื‘ืจื›ื”.

ื™ืฉ ืœื”ืฉืชืžืฉ ื‘ื–ื” ื‘ืฉื™ืœื•ื‘ ืขื -std=f95, -std=f2003 or -std=f2008.

-ืคื“ื ื˜ื™ื•ืช-ื˜ืขื•ื™ื•ืช
ื›ืžื• -ืงึทืคึผึฐื“ึธื ึดื™, ืืœื ืฉืžื•ืคืงื•ืช ืฉื’ื™ืื•ืช ื•ืœื ืื–ื”ืจื•ืช.

- ืงื™ืจ
ืžืืคืฉืจ ืืคืฉืจื•ื™ื•ืช ืื–ื”ืจื” ื ืคื•ืฆื•ืช ื”ื ื•ื’ืขื•ืช ืœืฉื™ืžื•ืฉ ืฉืื ื• ืžืžืœื™ืฆื™ื ืœื”ื™ืžื ืข ืžื”ื
ื•ืฉืื ื—ื ื• ืžืืžื™ื ื™ื ืฉืงืœ ืœื”ื™ืžื ืข ืžื”ื. ื–ื” ื›ื•ืœืœ ื›ืจื’ืข -ื•ืœื™ื”,
-ื•ื•ืžืคืจืกื ื“, -ื”ืžืจื”, - ืžืคืชื™ืข, -Wintrinsics-std, -ืœื-ื›ืจื˜ื™ืกื™ื•ืช,
-ืฆืœืœื™ืช ื—ื•ืจืฃ, -ืงื™ืฆื•ืจ Wline, -Wreal-q-constant ื• -ืœื ื‘ืฉื™ืžื•ืฉ.

-ื•ืœื™ื”
ื”ื–ื”ืจ ืœื’ื‘ื™ ื›ื™ื ื•ื™ ืืคืฉืจื™ ืฉืœ ื˜ื™ืขื•ื ื™ ื“ืžื”. ื‘ืื•ืคืŸ ืกืคืฆื™ืคื™, ื–ื” ืžื–ื”ื™ืจ ืื ื–ื”ื”
ืืจื’ื•ืžื ื˜ ื‘ืคื•ืขืœ ืžืฉื•ื™ืš ืœืืจื’ื•ืžื ื˜ ื“ืžื” ืขื "INTENT(IN)" ื•ื“ืžื”
ืืจื’ื•ืžื ื˜ ืขื "INTENT(OUT)" ื‘ืงืจื™ืื” ืขื ืžืžืฉืง ืžืคื•ืจืฉ.

ื”ื“ื•ื’ืžื” ื”ื‘ืื” ืชืคืขื™ืœ ืืช ื”ืื–ื”ืจื”.

ืžืžืฉืง
ืกืจื’ืœ ืชืช-ืฉื’ืจื”(a,b)
ืžืกืคืจ ืฉืœื, ื›ื•ื•ื ื”(ื‘) :: ื
ืžืกืคืจ ืฉืœื, ื›ื•ื•ื ื”(ื—ื•ืฅ) :: ื‘
ืœืกื™ื™ื ืชืช ืฉื’ืจื”
ืžืžืฉืง ืงืฆื”
ืžืกืคืจ ืฉืœื :: ื

ืกืจื’ืœ ืฉื™ื—ื•ืช (ื, ื)

-ื•ื•ืžืคืจืกื ื“
ืื–ื”ืจื” ืœื’ื‘ื™ ื—ืกืจ ืืžืคืจืกื ื“ ื‘ืงื‘ื•ืขื™ ื”ืชื•ื•ื™ื ื”ืžืชืžืฉื›ื™ื. ื”ืื–ื”ืจื” ื ื™ืชื ืช
ืขื -ื•ื•ืžืคืจืกื ื“, -ืงึทืคึผึฐื“ึธื ึดื™, -std=f95, -std=f2003 ื• -std=f2008. ื”ืขืจื”: ืขื ืœื
ืืžืคืจืกื ื“ ื ืชื•ืŸ ื‘ืงื‘ื•ืข ืชื• ืžืชืžืฉืš, GNU Fortran ืžื ื™ื— ื”ืžืฉืš ื‘
ื”ืชื• ื”ืจืืฉื•ืŸ ืœืœื ื”ืขืจื•ืช, ืœืœื ืจื•ื•ื— ืœื‘ืŸ ืœืื—ืจ ื”ืืžืคืจืกื ื“ ืฉื™ื–ื ืืช
ื”ึถืžึฐืฉืึตืš.

-ืžืœื—ืžื”-ื–ืžื ื™ื™ื
ื”ืชืจื™ืข ืขืœ ื–ืžื ื™ ืžืขืจืš ืฉื ื•ืฆืจ ืขืœ ื™ื“ื™ ื”ืžื”ื“ืจ. ื”ืžื™ื“ืข ืฉื ื•ืฆืจ ืขืœ ื™ื“ื™
ืื–ื”ืจื” ื–ื• ืฉื™ืžื•ืฉื™ืช ืœืคืขืžื™ื ื‘ืื•ืคื˜ื™ืžื™ื–ืฆื™ื”, ื›ื“ื™ ืœืžื ื•ืข ื–ืžื ื™ื™ื ื›ืืœื”.

-ื—ื™ืชื•ืš ืชื•
ืื–ื”ืจื” ื›ืืฉืจ ื”ืงืฆืืช ืชื• ืชืงืฆืจ ืืช ื”ืžื—ืจื•ื–ืช ืฉื”ื•ืงืฆืชื”.

-ืงื™ืฆื•ืจ Wline
ืื–ื”ืจื” ื›ืืฉืจ ืฉื•ืจืช ืงื•ื“ ืžืงื•ืจ ืชืงื•ืฆืจ.

-ื”ืžืจื”
ืื–ื”ืจื” ืžืคื ื™ ื”ืžืจื•ืช ืžืจื•ืžื–ื•ืช ืฉืกื‘ื™ืจ ืœื”ื ื™ื— ืฉื™ืฉื ื• ืืช ืขืจืš ื”ื‘ื™ื˜ื•ื™
ืœืื—ืจ ื”ื”ืžืจื”. ื ืจืžื– ืขืœ ื™ื“ื™ - ืงื™ืจ.

-Wconversion-extra
ื”ื–ื”ื™ืจ ืžืคื ื™ ื”ืžืจื•ืช ืžืจื•ืžื–ื•ืช ื‘ื™ืŸ ืกื•ื’ื™ื ื•ืกื•ื’ื™ื ืฉื•ื ื™ื.

-ืžืžืฉืง ืกืชืžื™
ืื–ื”ืจื” ืื ื ืงืจื ื”ืœื™ืš ืœืœื ืžืžืฉืง ืžืคื•ืจืฉ. ืฉื™ืžื• ืœื‘ ืฉื–ื” ืจืง ื‘ื“ื™ืงื•ืช
ืฉืงื™ื™ื ืžืžืฉืง ืžืคื•ืจืฉ. ื–ื” ืœื ื‘ื•ื“ืง ืฉื”ืžืžืฉืงื™ื ื”ืžื•ืฆื”ืจื™ื ืžืชืžืžืฉื™ื
ืขืงื‘ื™ื™ื ื‘ื™ืŸ ื™ื—ื™ื“ื•ืช ื”ืชื•ื›ื ื™ืช.

-ืคืจื•ืฆื“ื•ืจื” ื’ืœื•ื™ื”
ืื–ื”ืจื” ืื ื ืงืจื ื”ืœื™ืš ืฉืื™ืŸ ืœื• ืžืžืฉืง ืžืคื•ืจืฉ ื•ื’ื ืœื ื”ื™ื”
ื”ื•ื›ืจื– ื›"ื—ื™ืฆื•ื ื™".

-Wintrinsics-std
ื”ื–ื”ื™ืจ ืื ื’ืคื•ืจื˜ืจืŸ ืžื•ืฆื ื”ืœื™ืš ื‘ืฉื ื›ืžื• ืžื”ื•ืชื™ ืฉืื™ื ื• ื–ืžื™ืŸ ื‘-
ืชืงืŸ ืฉื ื‘ื—ืจ ื›ืขืช (ืขื -ืกื˜ื“) ื•ืžืชื™ื™ื—ืก ืืœื™ื• ื›ืืœ ื”ืœื™ืš "ื—ื™ืฆื•ื ื™" ืžื›ื™ื•ื•ืŸ
ืฉืœ ื–ื”. - ืกืชื™ื•-ื”ื˜ื‘ืขื•ืช ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื›ื“ื™ ืœืขื•ืœื ืœื ืœื”ืคืขื™ืœ ื”ืชื ื”ื’ื•ืช ื–ื• ื•ืชืžื™ื“ ืœืงืฉืจ
ืืœ ื”ืžื”ื•ืชื™ ืœืœื ืงืฉืจ ืœืกื˜ื ื“ืจื˜ ื”ื ื‘ื—ืจ.

-Wreal-q-constant
ื”ืคืง ืื–ื”ืจื” ืื ืงื‘ื•ืข-ืžืžืฉื™-ืžื™ืœื•ืœื™ ืžื›ื™ืœ ืื•ืช ืžืขืจื™ืš "q".

- ืžืคืชื™ืข
ื”ืคืง ืื–ื”ืจื” ื›ืืฉืจ ื ืชืงืœื™ื ื‘ื‘ื ื™ื•ืช ืงื•ื“ "ื—ืฉื•ื“ื•ืช". ื‘ื–ืžืŸ
ืžื‘ื—ื™ื ื” ื˜ื›ื ื™ืช, ืืœื” ื‘ื“ืจืš ื›ืœืœ ืžืขื™ื“ื™ื ืขืœ ื›ืš ืฉื ืขืฉืชื” ืฉื’ื™ืื”.

ื–ื” ืžื™ื™ืฆืจ ื›ืจื’ืข ืื–ื”ืจื” ื‘ื ืกื™ื‘ื•ืช ื”ื‘ืื•ืช:

ยท ืœืžื‘ื ื” INTEGER SELECT ื™ืฉ CASE ืฉืœืขื•ืœื ืœื ื ื™ืชืŸ ืœื”ืชืื™ื ืื•ืชื• ืœืชื—ืชื•ืŸ ืฉืœื•
ื”ืขืจืš ื’ื“ื•ืœ ืžื”ืขืจืš ื”ืขืœื™ื•ืŸ ืฉืœื•.

ยท ืœืžื‘ื ื” LOGICAL SELECT ื™ืฉ ืฉืœื•ืฉื” ืžืฉืคื˜ื™ CASE.

ยท TRANSFER ืžืฆื™ื™ืŸ ืžืงื•ืจ ืฉื”ื•ื ืงืฆืจ ืžื”ื™ืขื“.

ยท ืกื•ื’ ืชื•ืฆืืช ื”ืคื•ื ืงืฆื™ื” ืžื•ื›ืจื– ื™ื•ืชืจ ืžืคืขื ืื—ืช ื‘ืื•ืชื• ืกื•ื’. ืื
-ืงึทืคึผึฐื“ึธื ึดื™ ืื• ืฉืžืฆื‘ ืชื•ืื ืชืงืŸ ืžื•ืคืขืœ, ื–ื• ืฉื’ื™ืื”.

ยท ืžืฉืชื ื” "CHARACTER" ืžื•ื›ืจื– ื‘ืื•ืจืš ืฉืœื™ืœื™.

-Wtabs
ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ื›ืจื˜ื™ืกื™ื•ืช ืžืชืงื‘ืœื•ืช ื›ืจื•ื•ื— ืœื‘ืŸ, ืื‘ืœ ื›ืจื˜ื™ืกื™ื•ืช ืื™ื ืŸ ื—ื‘ืจื•ืช ื‘-Fortran
ืกื˜ ืชื•ื•ื™ื. ืขื‘ื•ืจ ืฉื•ืจื•ืช ื”ืžืฉืš, ื˜ืื‘ ื•ืื—ืจื™ื• ืกืคืจื” ื‘ื™ืŸ 1 ืœ-9 ื”ื™ื
ื ืชืžืš. -ืœื-ื›ืจื˜ื™ืกื™ื•ืช ื™ื’ืจื•ื ืœื”ื ืคืงืช ืื–ื”ืจื” ืื ืชืชืงืœ ื‘ื›ืจื˜ื™ืกื™ื™ื”. ื”ืขืจื”,
-ืœื-ื›ืจื˜ื™ืกื™ื•ืช ืคืขื™ืœ ืขื‘ื•ืจ -ืงึทืคึผึฐื“ึธื ึดื™, -std=f95, -std=f2003, -std=f2008 ื• - ืงื™ืจ.

-ื–ืจื™ืžืช ืคืœืื•ืช
ื”ืคืง ืื–ื”ืจื” ื›ืืฉืจ ื ืชืงืœื™ื ื‘ื‘ื™ื˜ื•ื™ื™ื ืงื‘ื•ืขื™ื ืžืกืคืจื™ื™ื, ื”ืžื ื™ื‘ื™ื an
UNDERFLOW ื‘ืžื”ืœืš ื”ื™ื“ื•ืจ.

-ืฆืœืœื™ืช ื—ื•ืจืฃ
ืื–ื”ืจื” ืื ืœืคืจื•ืฆื“ื•ืจื” ืžื•ื’ื“ืจืช ืขืœ ื™ื“ื™ ืžืฉืชืžืฉ ืื• ืœื”ืœื™ืš ืžื•ื“ื•ืœ ื™ืฉ ืฉื ื–ื”ื” ืœ-
ืคึผึฐื ึดื™ืžึดื™; ื‘ืžืงืจื” ื–ื”, ืžืžืฉืง ืžืคื•ืจืฉ ืื• "EXTERNAL" ืื• "INTRINSIC"
ื™ื™ืชื›ืŸ ืฉื™ื”ื™ื” ืฆื•ืจืš ื‘ื”ืฆื”ืจื” ื›ื“ื™ ืœืงื‘ืœ ืฉื™ื—ื•ืช ืžืื•ื—ืจื•ืช ื™ื•ืชืจ ืœืคืชืจื•ืŸ ื”ืจืฆื•ื™
ืžื”ื•ืชื™/ื”ืœื™ืš.

-ื˜ื™ืขื•ืŸ-ื“ืžื” ืœื ื‘ืฉื™ืžื•ืฉ
ื”ื–ื”ืจ ืžืคื ื™ ื˜ื™ืขื•ื ื™ ื“ืžื” ืฉืื™ื ื ื‘ืฉื™ืžื•ืฉ. ืืคืฉืจื•ืช ื–ื• ืžืฉืชืžืขืช ืž - ืงื™ืจ.

-ืคืจืžื˜ืจ Wunused
ื‘ื ื™ื’ื•ื“ ืœ gccื”ืžืฉืžืขื•ืช ืฉืœ -ืคืจืžื˜ืจ Wunused, ื’ืคื•ืจื˜ืจืŸื”ื™ื™ืฉื•ื ืฉืœ ื–ื”
option ืื™ื ื• ืžื–ื”ื™ืจ ืžืคื ื™ ืืจื’ื•ืžื ื˜ื™ื ื“ืžื” ืฉืื™ื ื ื‘ืฉื™ืžื•ืฉ (ืจืื” -ื˜ื™ืขื•ืŸ-ื“ืžื” ืœื ื‘ืฉื™ืžื•ืฉ), ืื‘ืœ
ืขืœ ืขืจื›ื™ "PARAMETER" ืฉืื™ื ื ื‘ืฉื™ืžื•ืฉ. -ืคืจืžื˜ืจ Wunused ืื™ื ื• ื›ืœื•ืœ ื‘ - ืงื™ืจ ืื‘ืœ ื–ื”
ื ืจืžื– ืขืœ ื™ื“ื™ - ืงื™ืจ ืืงืกื˜ืจื”.

-Walign-commons
ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ื’ืคื•ืจื˜ืจืŸ ืžืชืจื™ืข ืขืœ ื›ืœ ืื™ืจื•ืข ืฉืœ ืจื™ืคื•ื“ ืžืฉืชื ื™ื ื›ืจืื•ื™
ื™ื™ืฉื•ืจ ื‘ืชื•ืš ื‘ืœื•ืง "COMMON". ื ื™ืชืŸ ืœื›ื‘ื•ืช ืืช ื”ืื–ื”ืจื” ื”ื–ื• ื‘ืืžืฆืขื•ืช
-Wno-align-commons. ืจืื” ื’ื -falign-commons.

-ื—ื™ืกื•ืœ Wfunction
ื”ื–ื”ืจ ืื ืงืจื™ืื•ืช ื›ืœืฉื”ืŸ ืœืคื•ื ืงืฆื™ื•ืช ื‘ื•ื˜ืœื• ืขืœ ื™ื“ื™ ื”ืื•ืคื˜ื™ืžื™ื–ืฆื™ื•ืช ื”ืžื•ืคืขืœื•ืช ืขืœ ื™ื“ื™
-ffrontend-optimize ืื•ึนืคึผึฐืฆึดื™ึธื”.

-ืฉื’ื™ืื”
ื”ื•ืคืš ืืช ื›ืœ ื”ืื–ื”ืจื•ืช ืœืฉื’ื™ืื•ืช.

ืœื—ืœืงื ืื™ืŸ ื”ืฉืคืขื” ื‘ืขืช ืงื•ืžืคื™ืœืฆื™ื” ืฉืœ ืชื•ื›ื ื™ื•ืช ืฉื ื›ืชื‘ื• ื‘-Fortran.

ืืคืฉืจื•ื™ื•ืช ืœ ื ื™ืคื•ื™ ืฉืึถืœึฐืšึธ ื”ืชื•ื›ื ื™ืช or ื’ื ื” ืคื•ืจื˜ืจืŸ
ืœ-GNU Fortran ื™ืฉ ืืคืฉืจื•ื™ื•ืช ืžื™ื•ื—ื“ื•ืช ืฉื•ื ื•ืช ื”ืžืฉืžืฉื•ืช ืœืื™ืชื•ืจ ื‘ืื’ื™ื ื‘ืชื•ื›ื ื™ืช ืฉืœืš ืื•
ืžื”ื“ืจ GNU Fortran.

-fdump-fortran-original
ืคืœื˜ ืืช ืขืฅ ื”ื ื™ืชื•ื— ื”ืคื ื™ืžื™ ืœืื—ืจ ืชืจื’ื•ื ืชื•ื›ื ื™ืช ื”ืžืงื•ืจ ืœืชื•ืš ืคื ื™ืžื™
ื™ึดืฆื•ึผื’. ืฉื™ืžื•ืฉื™ ื‘ืืžืช ืจืง ืขื‘ื•ืจ ืื™ืชื•ืจ ื‘ืื’ื™ื ืฉืœ ืžื”ื“ืจ GNU Fortran ืขืฆืžื•.

-fdump-fortran ืžื•ืชืื
ืคืœื˜ ืืช ืขืฅ ื”ื ื™ืชื•ื— ืœืื—ืจ ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ื”ืงืฆื” ื”ืงื“ืžื™. ืžืžืฉ ืฉื™ืžื•ืฉื™ ืจืง ืœื ื™ืคื•ื™ ื‘ืื’ื™ื
ืžื”ื“ืจ GNU Fortran ืขืฆืžื•.

-fdump-ื ืชื—-ืขืฅ
ืคืœื˜ ืืช ืขืฅ ื”ื ื™ืชื•ื— ื”ืคื ื™ืžื™ ืœืื—ืจ ืชืจื’ื•ื ืชื•ื›ื ื™ืช ื”ืžืงื•ืจ ืœืชื•ืš ืคื ื™ืžื™
ื™ึดืฆื•ึผื’. ืฉื™ืžื•ืฉื™ ื‘ืืžืช ืจืง ืขื‘ื•ืจ ืื™ืชื•ืจ ื‘ืื’ื™ื ืฉืœ ืžื”ื“ืจ GNU Fortran ืขืฆืžื•.
ืืคืฉืจื•ืช ื–ื• ื”ื•ืฆืื” ืžืฉื™ืžื•ืฉ; ื”ืฉืชืžืฉ ื‘-"-fdump-fortran-original" ื‘ืžืงื•ื ื–ืืช.

-ffpe-trap=ืจืฉื™ืžื”
ืฆื™ื™ืŸ ืจืฉื™ืžื” ืฉืœ ืžืœื›ื•ื“ื•ืช ื—ืจื™ื’ื•ืช ืฉืœ ื ืงื•ื“ื” ืฆืคื” ืœื”ืคืขืœื”. ื‘ืจื•ื‘ ื”ืžืขืจื›ื•ืช, ืื ื
ืžืชืจื—ืฉ ื—ืจื™ื’ ืฉืœ ื ืงื•ื“ื” ืฆืคื” ื•ื”ืžืœื›ื•ื“ืช ืขื‘ื•ืจ ื—ืจื™ื’ื” ื–ื• ืžื•ืคืขืœืช, SIGFPE
ื™ื™ืฉืœื— ืื•ืช ื•ื”ืชื•ื›ื ื™ืช ืชื‘ื•ื˜ืœ, ื•ื™ื™ืฆื•ืจ ืงื•ื‘ืฅ ืœื™ื‘ื” ืฉื™ืžื•ืฉื™ ืขื‘ื•ืจ
ื ื™ืคื•ื™ ื‘ืื’ื™ื. ืจืฉื™ืžื” ื”ื™ื ืจืฉื™ืžื” (ืื•ืœื™ ืจื™ืงื”) ืžื•ืคืจื“ืช ื‘ืคืกื™ืงื™ื ืฉืœ ื”ื“ื‘ืจื™ื ื”ื‘ืื™ื
ื—ืจื™ื’ื™ื: ื—ื•ืงื™ (ืคืขื•ืœืช ื ืงื•ื“ื” ืฆืคื” ืœื ื—ื•ืงื™ืช, ื›ื’ื•ืŸ "SQRT(-1.0)"), ืืคืก
(ื—ืœื•ืงื” ื‘ืืคืก), ื”ืฆืคื” (ื”ืฆืคื” ื‘ืคืขื•ืœืช ื ืงื•ื“ื” ืฆืคื”), ืชืช ื–ืจื™ืžื”
(ืชืช ื–ืจื™ืžื” ื‘ืคืขื•ืœืช ื ืงื•ื“ื” ืฆืคื”), ืœึนื ืžึฐื“ื•ึผื™ึธืง (ืื•ื‘ื“ืŸ ื“ื™ื•ืง ื‘ืžื”ืœืš
ืคืขื•ืœื”), ื• ืœื ื ื•ืจืžืœื™ (ืคืขื•ืœื” ืžื‘ื•ืฆืขืช ืขืœ ืขืจืš ืœื ืชืงื™ืŸ). ื—ืžืฉืช ื”ืจืืฉื•ื ื™ื
ื—ืจื™ื’ื™ื ืชื•ืืžื™ื ืœื—ืžืฉืช ื”ื—ืจื™ื’ื™ื ืฉืœ IEEE 754, ื•ืื™ืœื• ื”ืื—ืจื•ืŸ (ืœื ื ื•ืจืžืœื™)
ืื™ื ื• ื—ืœืง ืžืชืงืŸ IEEE 754 ืืš ื–ืžื™ืŸ ื‘ื—ืœืง ืžื”ืืจื›ื™ื˜ืงื˜ื•ืจื•ืช ื”ื ืคื•ืฆื•ืช
ื›ื’ื•ืŸ x86.

ืฉืœื•ืฉืช ื”ื—ืจื™ื’ื™ื ื”ืจืืฉื•ื ื™ื (ื—ื•ืงื™, ืืคืก, ื• ื”ืฆืคื”) ืœืขืชื™ื ืงืจื•ื‘ื•ืช ืžืฆื‘ื™ืขื™ื ืขืœ ืจืฆื™ื ื™
ืฉื’ื™ืื•ืช, ืืœื ืื ื›ืŸ ืœืชื•ื›ื ื™ืช ื™ืฉ ื”ื•ืจืื•ืช ืœื”ืชืžื•ื“ื“ื•ืช ืขื ื—ืจื™ื’ื™ื ืืœื”,
ื”ืคืขืœืช ืžืœื›ื•ื“ื•ืช ืขื‘ื•ืจ ืฉืœื•ืฉืช ื”ื—ืจื™ื’ื™ื ื”ืœืœื• ื”ื™ื ื›ื ืจืื” ืจืขื™ื•ืŸ ื˜ื•ื‘.

ืจื‘ื•ืช, ืื ืœื ืจื•ื‘ืŸ, ืคืขื•ืœื•ืช ื ืงื•ื“ื” ืฆืคื” ื’ื•ืจืžื•ืช ืœืื•ื‘ื“ืŸ ื“ื™ื•ืง ืขืงื‘ ืขื™ื’ื•ืœ,
ื•ืžื›ืืŸ ืฉื”-"ffpe-trap=ืœื ืžื“ื•ื™ืง" ืขืฉื•ื™ ืœื”ื™ื•ืช ืœื ืžืขื ื™ื™ืŸ ื‘ืคื•ืขืœ.

ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ืื™ืŸ ืžืœื›ื•ื“ื•ืช ื—ืจื™ื’ื•ืช ืžื•ืคืขืœื•ืช.

-fno-backtrace
ื›ืืฉืจ ื ืชืงืœืช ื‘ืฉื’ื™ืืช ื–ืžืŸ ืจื™ืฆื” ื—ืžื•ืจื” ืื• ืฉื ืคืœื˜ ืื•ืช ืงื˜ืœื ื™
(ืชืงืœืช ืคื™ืœื•ื—, ื”ื•ืจืื” ืœื ื—ื•ืงื™ืช, ืฉื’ื™ืืช ืื•ื˜ื•ื‘ื•ืก, ื—ืจื™ื’ ื ืงื•ื“ื” ืฆืคื”, ื•ื”
ืื•ืชื•ืช POSIX ืื—ืจื™ื ืฉื™ืฉ ืœื”ื ืืช ื”ืคืขื•ืœื” ื”ืœื™ื‘ื”), ืกืคืจื™ื™ืช ื–ืžืŸ ื”ืจื™ืฆื” ืฉืœ Fortran ืžื ืกื” ืœืขืฉื•ืช ื–ืืช
ืคืœื˜ ืžืขืงื‘ ืœืื—ื•ืจ ืฉืœ ื”ืฉื’ื™ืื”. "-fno-backtrace" ืžืฉื‘ื™ืช ืืช ื™ืฆื™ืจืช ื”-backtrace.
ืืคืฉืจื•ืช ื–ื• ืžืฉืคื™ืขื” ืจืง ืขืœ ื”ื™ื“ื•ืจ ืฉืœ ื”ืชื•ื›ื ื™ืช ื”ืจืืฉื™ืช ืฉืœ Fortran.

ืืคืฉืจื•ื™ื•ืช ืœ ื‘ืกืคืจื™ื™ื” search
ืืคืฉืจื•ื™ื•ืช ืืœื” ืžืฉืคื™ืขื•ืช ืขืœ ื”ืื•ืคืŸ ืฉื‘ื• GNU Fortran ืžื—ืคืฉ ืงื‘ืฆื™ื ืฉืฆื•ื™ื ื• ื‘-"INCLUDE"
ื”ื”ื•ืจืื” ื•ื”ื™ื›ืŸ ื”ื•ื ืžื—ืคืฉ ืžื•ื“ื•ืœื™ื ืฉื”ื•ืจื›ื‘ื• ื‘ืขื‘ืจ.

ื–ื” ืžืฉืคื™ืข ื’ื ืขืœ ื ืชื™ื‘ื™ ื”ื—ื™ืคื•ืฉ ืฉื‘ื”ื ืžืฉืชืžืฉื™ื cpp ื›ืืฉืจ ืžืฉืชืžืฉื™ื ื‘ื• ืœืขื™ื‘ื•ื“ ืžืงื“ื™ื ืฉืœ ืžืงื•ืจ Fortran.

-Idir
ืืœื” ืžืฉืคื™ืขื™ื ืขืœ ื”ืคืจืฉื ื•ืช ืฉืœ ื”ื ื—ื™ื™ืช "INCLUDE" (ื›ืžื• ื’ื ืฉืœ "#include"
ื”ื•ืจืืช ื” cpp ืžืขื‘ื“ ืงื“ื).

ืฉื™ืžื• ืœื‘ ื’ื ืฉื”ื”ืชื ื”ื’ื•ืช ื”ื›ืœืœื™ืช ืฉืœ -I ื•-"INCLUDE" ื–ื”ื” ื‘ืขืจืš ืœืฉืœ
-I ืขื "#include" ื‘- cpp ืžืขื‘ื“ ืงื“ื, ืœื’ื‘ื™ ื—ื™ืคื•ืฉ header.gcc
ืงื‘ืฆื™ื ื•ืขื•ื“ ื“ื‘ืจื™ื ื›ืืœื”.

ื ืชื™ื‘ ื–ื” ืžืฉืžืฉ ื’ื ืœื—ื™ืคื•ืฉ .mod ืงื‘ืฆื™ื ื›ืืฉืจ ืžื•ื“ื•ืœื™ื ืฉื”ื•ืจื›ื‘ื• ื‘ืขื‘ืจ
ื ื“ืจืฉ ื‘ื”ืฆื”ืจืช "USE".

-Jdir
ืืคืฉืจื•ืช ื–ื• ืžืฆื™ื™ื ืช ื”ื™ื›ืŸ ืœืฉื™ื .mod ืงื‘ืฆื™ื ืขื‘ื•ืจ ืžื•ื“ื•ืœื™ื ืžื•ืจื›ื‘ื™ื. ื–ื” ื’ื ืžืชื•ื•ืกืฃ
ืœืจืฉื™ืžืช ื”ืกืคืจื™ื•ืช ืฉืืœื™ื”ืŸ ื™ืฉ ืœื—ืคืฉ ื‘ืืžืฆืขื•ืช ื”ืฆื”ืจืช "USE".

ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ื”ื™ื ื”ืกืคืจื™ื™ื” ื”ื ื•ื›ื—ื™ืช.

-ืคื™ื ื˜ืจื™ื ืก-ืžื•ื“ื•ืœื™ื-ื ืชื™ื‘ dir
ืืคืฉืจื•ืช ื–ื• ืžืฆื™ื™ื ืช ืืช ื”ืžื™ืงื•ื ืฉืœ ืžื•ื“ื•ืœื™ื ืคื ื™ืžื™ื™ื ืฉื”ื•ืจื›ื‘ื• ืžืจืืฉ, ืื ืœื
ื‘ืžื™ืงื•ื ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ื”ืžืฆื•ืคื” ืžื”ืžื”ื“ืจ.

ืžืฉืคื™ืขื™ื ืžื” ื”ื™ื ืžึฐืงึทืฉืึตืจ ืฆืขื“
ืืคืฉืจื•ื™ื•ืช ืืœื• ื‘ืื•ืช ืœื™ื“ื™ ื‘ื™ื˜ื•ื™ ื›ืืฉืจ ื”ืžื”ื“ืจ ืžืงืฉืจ ืงื‘ืฆื™ ืื•ื‘ื™ื™ืงื˜ ืœืงื•ื‘ืฅ ื”ืคืขืœื”
ืงื•ื‘ืฅ ืคืœื˜. ื”ื ื—ืกืจื™ ืžืฉืžืขื•ืช ืื ื”ืžื”ื“ืจ ืœื ืขื•ืฉื” ืฉืœื‘ ืงื™ืฉื•ืจ.

-static-libgfortran
ืขืœ ืžืขืจื›ื•ืช ื”ืžืกืคืงื•ืช ืœื™ื‘ื’ืคื•ืจื˜ืŸ ื›ืกืคืจื™ื™ื” ืžืฉื•ืชืคืช ื•ืกื˜ื˜ื™ืช, ืืคืฉืจื•ืช ื–ื•
ืžืืœืฅ ืืช ื”ืฉื™ืžื•ืฉ ื‘ื’ืจืกื” ื”ืกื˜ื˜ื™ืช. ืื ืื™ืŸ ื’ืจืกื” ืžืฉื•ืชืคืช ืฉืœ ืœื™ื‘ื’ืคื•ืจื˜ืŸ ื ื‘ื ื”
ื›ืืฉืจ ื”ืžื”ื“ืจ ื”ื•ื’ื“ืจ, ืœืืคืฉืจื•ืช ื–ื• ืื™ืŸ ื”ืฉืคืขื”.

ืžืฉืคื™ืขื™ื ื–ืžืŸ ืจื™ืฆื” ื”ืชื ื”ื’ื•ืช
ืืคืฉืจื•ื™ื•ืช ืืœื” ืžืฉืคื™ืขื•ืช ืขืœ ื”ืชื ื”ื’ื•ืช ื–ืžืŸ ื”ืจื™ืฆื” ืฉืœ ืชื•ื›ื ื™ื•ืช ื”ื™ื“ื•ืจ ืขื GNU Fortran.

-fconvert=ื”ืžืจื”
ืฆื™ื™ืŸ ืืช ื™ื™ืฆื•ื’ ื”ื ืชื•ื ื™ื ืขื‘ื•ืจ ืงื‘ืฆื™ื ืœื ืžืขื•ืฆื‘ื™ื. ืขืจื›ื™ื ื—ื•ืงื™ื™ื ืœื”ืžืจื”
ื”ื: ื™ืœื™ื“, ื‘ืจื™ืจืช ื”ืžื—ื“ืœ; ืœื”ื—ืœื™ืฃ, ืœื”ื—ืœื™ืฃ ื‘ื™ืŸ big- ื•-litt-endian; ืื ื“ื™ืืŸ ื’ื“ื•ืœ, ืœื”ืฉืชืžืฉ
ื™ื™ืฆื•ื’ ื’ื“ื•ืœ ืœืงื‘ืฆื™ื ืœื ืžืขื•ืฆื‘ื™ื; ืื ื“ื™ืื ื™ ืงื˜ืŸ, ื”ืฉืชืžืฉ ื‘-little-endian
ื™ื™ืฆื•ื’ ืœืงื‘ืฆื™ื ืœื ืžืขื•ืฆื‘ื™ื.

ื–ึถื” ืื•ึนืคึผึฐืฆึดื™ึธื” ื™ืฉ ืœ an ื”ืฉืคืขื” ืจืง ืžืชื™ ืžึฐืฉืื•ึผืžึธืฉื in ืžื” ื”ื™ื ืจืืฉื™ ืชื›ื ื™ืช. ืืœ ื”ืื ื™ "ืœื”ืžื™ืจ" -
ื• ืžื” ื”ื™ื GFORTRAN_CONVERT_UNIT ืกื‘ื™ื‘ื” ืžืฉืชื ื” ืœืขืงื•ืฃ ืžื” ื”ื™ื ื‘ืจื™ืจืช ืžื—ื“ืœ ืžืคื•ืจื˜ by
-fconvert.

-fno-range-check
ื”ืฉื‘ืช ื‘ื“ื™ืงืช ื˜ื•ื•ื— ืฉืœ ืขืจื›ื™ ืงืœื˜ ื‘ืžื”ืœืš ืคืขื•ืœื•ืช "READ" ื‘ืžืกืคืจ ืฉืœื. ืœื“ื•ื’ืžื”,
GNU Fortran ื™ื™ืชืŸ ืฉื’ื™ืื” ืื โ€‹โ€‹ืขืจืš ืงืœื˜ ื ืžืฆื ืžื—ื•ืฅ ืœื˜ื•ื•ื— ื”ืจืœื•ื•ื ื˜ื™ ืฉืœ
["-HUGE()":"HUGE()"]. ื‘ืžื™ืœื™ื ืื—ืจื•ืช, ืขื "INTEGER (kind=4) :: i" , ืžื ืกื”
read -2147483648 ื™ื™ืชืŸ ืฉื’ื™ืื” ืืœื ืื ื›ืŸ -fno-range-check ื ืชื•ืŸ.

-frecord-marker=ืื•ืจืš
ืฆื™ื™ืŸ ืืช ืื•ืจืš ืกืžื ื™ ื”ืจืฉื•ืžื•ืช ืขื‘ื•ืจ ืงื‘ืฆื™ื ืœื ืžืขื•ืฆื‘ื™ื. ืขืจื›ื™ื ื—ื•ืงื™ื™ื ืขื‘ื•ืจ ืื•ืจืš
ื”ื 4 ื•-8. ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ื”ื™ื 4. ื–ึถื” is ืื—ืจ ื”ื—ืœ ืž- ืงื•ื“ื ื’ื™ืจืกืื•ืช of ื’ืคื•ืจื˜ืจืŸ,
ืืฉืจ ืฆื™ื™ืŸ ืื•ืจืš ื‘ืจื™ืจืช ืžื—ื“ืœ ืฉืœ ืกืžืŸ ืจืฉื•ืžื•ืช ืฉืœ 8 ื‘ืจื•ื‘ ื”ืžืขืจื›ื•ืช. ืื ืืชื” ืจื•ืฆื”
ืงืจื™ืื” ืื• ื›ืชื™ื‘ื” ืฉืœ ืงื‘ืฆื™ื ื”ืชื•ืืžื™ื ืœื’ืจืกืื•ืช ืงื•ื“ืžื•ืช ืฉืœ ื’ืคื•ืจื˜ืจืŸ, ืœื”ืฉืชืžืฉ
-frecord-marker=8.

-fmax-subrecord-length=ืื•ืจืš
ืฆื™ื™ืŸ ืืช ื”ืื•ืจืš ื”ืžืจื‘ื™ ืขื‘ื•ืจ ืจืฉื•ืžืช ืžืฉื ื”. ื”ืขืจืš ื”ืžืจื‘ื™ ื”ืžื•ืชืจ ืœืื•ืจืš ื”ื•ื
2147483639, ืฉื”ื™ื ื’ื ื‘ืจื™ืจืช ื”ืžื—ื“ืœ. ืจืง ืฉื™ืžื•ืฉื™ ื‘ืืžืช ืœืฉื™ืžื•ืฉ ืขืœ ื™ื“ื™ gfortran
ื—ื‘ื™ืœืช ื‘ื“ื™ืงื•ืช.

-fืกื™ืžืŸ-ืืคืก
ื›ืืฉืจ ืžื•ืคืขืœ, ื ื›ืชื‘ื™ื ืžืกืคืจื™ ื ืงื•ื“ื” ืฆืคื” ืฉืœ ืขืจืš ืืคืก ืขื ืขืจื›ืช ืกื™ื‘ื™ื•ืช ื”ืกื™ืžืŸ
ื›ืžืกืคืจ ืฉืœื™ืœื™ ื‘ืคืœื˜ ืžืขื•ืฆื‘ ื•ืžื˜ื•ืคืœ ื›ืฉืœื™ืœื™ ื‘-"SIGN"
ืคึผึฐื ึดื™ืžึดื™. -fno-ืกื™ืžืŸ-ืืคืก ืื™ื ื• ืžื“ืคื™ืก ืืช ื”ืกื™ืžืŸ ื”ืฉืœื™ืœื™ ืฉืœ ืขืจื›ื™ื ืืคืก (ืื• ืขืจื›ื™ื
ืžืขื•ื’ืœ ืœืืคืก ืขื‘ื•ืจ I/O) ื•ืžืชื™ื™ื—ืก ืœืืคืก ื›ืžืกืคืจ ื—ื™ื•ื‘ื™ ื‘"SIGN" ืžื”ื•ืชื™
ืขื‘ื•ืจ ืชืื™ืžื•ืช ืขื Fortran 77. ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ื”ื™ื -fืกื™ืžืŸ-ืืคืก.

ืืคืฉืจื•ื™ื•ืช ืœ ืงื•ื“ ื“ื•ืจ ืืžื ื•ืช
ืืคืฉืจื•ื™ื•ืช ืืœื• ืฉืื™ื ืŸ ืชืœื•ื™ื•ืช ื‘ืžื›ื•ื ื” ืฉื•ืœื˜ื•ืช ื‘ืžื•ืกื›ืžื•ืช ื”ืžืžืฉืง ื”ืžืฉืžืฉื•ืช ื‘ืงื•ื“
ื“ื•ึนืจ.

ืœืจื•ื‘ื ื™ืฉ ืฆื•ืจื•ืช ื—ื™ื•ื‘ื™ื•ืช ื•ืฉืœื™ืœื™ื•ืช ื›ืื—ื“; ื”ืฆื•ืจื” ื”ืฉืœื™ืœื™ืช ืฉืœ -ffoo. ื™ื”ื™ื”
-fno-foo. ื‘ื˜ื‘ืœื” ืœืžื˜ื”, ืจืง ืื—ื“ ืžื”ื˜ืคืกื™ื ืจืฉื•ื --- ื–ื” ืฉืื™ื ื•
ื‘ึผึฐืจึดื™ืจึทืช ืžึถื—ื“ึธืœ. ืืชื” ื™ื›ื•ืœ ืœื”ื‘ื™ืŸ ืืช ื”ื˜ื•ืคืก ื”ืื—ืจ ืขืœ ื™ื“ื™ ื”ืกืจื” ืœื- ืื• ื”ื•ืกืคืชื•.

-fno-ืื•ื˜ื•ืžื˜ื™
ื”ืชื™ื™ื—ืก ืœื›ืœ ื™ื—ื™ื“ืช ืชื•ื›ื ื™ืช (ืœืžืขื˜ ืืœื• ื”ืžืกื•ืžื ื•ืช ื›-RECURSIVE) ื›ืื™ืœื• ื”ืฆื”ืจืช "SAVE".
ืฆื•ื™ื ื• ืขื‘ื•ืจ ื›ืœ ืžืฉืชื ื” ื•ืžืขืจืš ืžืงื•ืžื™ ืฉื”ืชื™ื™ื—ืกื• ืืœื™ื•. ืœื ืžืฉืคื™ืข
ื‘ืœื•ืงื™ื ื ืคื•ืฆื™ื. (ื›ืžื” ืžื”ื“ืจื™ื ืฉืœ Fortran ืžืกืคืงื™ื ืืคืฉืจื•ืช ื–ื• ืชื—ืช ื”ืฉื -ืกื˜ึธื˜ึดื™ or
-ืœืฉืžื•ืจ.) ื‘ืจื™ืจืช ื”ืžื—ื“ืœ, ื›ืœื•ืžืจ -fืื•ื˜ื•ืžื˜ื™, ืžืฉืชืžืฉ ื‘ืขืจื™ืžื” ืขื‘ื•ืจ ืžืฉืชื ื™ื ืžืงื•ืžื™ื™ื ืงื˜ื ื™ื ื™ื•ืชืจ
ืžื”ืขืจืš ืฉื ื™ืชืŸ ืขืœ ื™ื“ื™ -fmax-stack-var-size. ื”ืฉืชืžืฉ ื‘ืืคืฉืจื•ืช -frecursive ืœื”ืฉืชืžืฉ ืœื
ื–ื™ื›ืจื•ืŸ ืกื˜ื˜ื™.

-ff2c
ืฆื•ืจ ืงื•ื“ ืฉื ื•ืขื“ ืœื”ื™ื•ืช ืชื•ืื ืœืงื•ื“ ืฉื ื•ืฆืจ ืขืœ ื™ื“ื™ g77 ื• f2c.

ืžื•ืกื›ืžื•ืช ื”ืฉื™ื—ื•ืช ื”ืžืฉืžืฉื•ืช ืืช g77 (ืžื™ื•ืฉื ื‘ืžืงื•ืจ ื‘ f2c) ื“ื•ืจืฉื™ื ืคื•ื ืงืฆื™ื•ืช
ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืฉืœ ืกื•ื’ ื”ื”ื—ื–ืจื” ื”ื™ื "REAL" ื›ื“ื™ ืœื”ื—ื–ื™ืจ ืืช ืกื•ื’ C "ื›ืคื•ืœ", ื•ืคื•ื ืงืฆื™ื•ืช
ื–ื” ืžื—ื–ื™ืจ ืกื•ื’ "COMPLEX" ื›ื“ื™ ืœื”ื—ื–ื™ืจ ืืช ื”ืขืจื›ื™ื ื‘ืืžืฆืขื•ืช ืืจื’ื•ืžื ื˜ ื ื•ืกืฃ ื‘ืงืจื™ืื”
ืจืฆืฃ ืฉืžืฆื‘ื™ืข ืœืืŸ ืœืื—ืกืŸ ืืช ืขืจืš ื”ื”ื—ื–ืจื”. ืชื—ืช ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืฉืœ GNU
ืงื•ืจื ืžื•ืกื›ืžื•ืช, ืคื•ื ืงืฆื™ื•ืช ื›ืืœื” ืคืฉื•ื˜ ืžื—ื–ื™ืจื•ืช ืืช ื”ืชื•ืฆืื•ืช ืฉืœื”ืŸ ื›ืคื™ ืฉื”ื™ื• ืžื—ื–ื™ืจื•ืช ื‘-GNU
C --- ืคื•ื ืงืฆื™ื•ืช ื‘ืจื™ืจืช ืžื—ื“ืœ "REAL" ืžื—ื–ื™ืจื•ืช ืืช ืกื•ื’ C "ืฆืฃ", ื•ืคื•ื ืงืฆื™ื•ืช "COMPLEX" ืžื—ื–ื™ืจื•ืช
ืžืกื•ื’ GNU C "ืžื•ืจื›ื‘". ื‘ื ื•ืกืฃ, ืืคืฉืจื•ืช ื–ื• ืžืจืžื–ืช ืขืœ -fsecond-ืงื• ืชื—ืชื•ืŸ
ืืคืฉืจื•ืช, ืืœื ืื ื›ืŸ -fno-ืฉื ื™-ืงื• ืชื—ืชื•ืŸ ืžืชื‘ืงืฉ ื‘ืžืคื•ืจืฉ.

ื–ื” ืœื ืžืฉืคื™ืข ืขืœ ื™ืฆื™ืจืช ื”ืงื•ื“ ืฉืžืชืžืžืฉืง ืขื ืœื™ื‘ื’ืคื•ืจื˜ืŸ
ืกึดืคึฐืจึดื™ึธื”.

ื–ึฐื”ึดื™ืจื•ึผืช: ื–ื” ืœื ืจืขื™ื•ืŸ ื˜ื•ื‘ ืœืขืจื‘ื‘ ืื™ืชื• ืงื•ื“ Fortran -ff2c ืขื ืงื•ื“
ื”ื™ื“ื•ืจ ืขื ื‘ืจื™ืจืช ื”ืžื—ื“ืœ -fno-f2c ืงื•ืจื ืœืžื•ืกื›ืžื•ืช ื›ืžื•, ืงื•ืจื "COMPLEX" ืื•
ื‘ืจื™ืจืช ืžื—ื“ืœ "REAL" ืคื•ื ืงืฆื™ื•ืช ื‘ื™ืŸ ื—ืœืงื™ ืชื•ื›ื ื™ืช ืืฉืจ ื”ื™ื“ื•ืจ ืขื ืฉื•ื ื”
ืžื•ืกื›ืžื•ืช ืฉื™ื—ื•ืช ื™ืฉื‘ืจื• ื‘ื–ืžืŸ ื”ื‘ื™ืฆื•ืข.

ื–ึฐื”ึดื™ืจื•ึผืช: ื–ื” ื™ืฉื‘ื•ืจ ืงื•ื“ ืฉืžืขื‘ื™ืจ ืคื•ื ืงืฆื™ื•ืช ืคื ื™ืžื™ื•ืช ืžืกื•ื’ ื‘ืจื™ืจืช ื”ืžื—ื“ืœ "REAL"
ืื• "COMPLEX" ื›ื˜ื™ืขื•ื ื™ื ืžืžืฉื™ื™ื, ืฉื›ืŸ ื™ื™ืฉื•ืžื™ ื”ืกืคืจื™ื™ื” ืžืฉืชืžืฉื™ื ื‘- -fno-f2c
ืงืจื™ืื” ืœื›ื ืกื™ื.

-fno-ื”ื“ื’ืฉื”
ืื™ืŸ ืœืฉื ื•ืช ืฉืžื•ืช ืฉืœ ื™ืฉื•ื™ื•ืช ืฉืฆื•ื™ื ื• ื‘ืงื•ื‘ืฅ ื”ืžืงื•ืจ ืฉืœ Fortran ืขืœ ื™ื“ื™ ื”ื•ืกืคื”
ืžื“ื’ื™ืฉ ืœื”ื.

ืขื -ื ื™ืงื•ื“ ืžื™ืžื•ืŸ ืœืžืขืฉื”, GNU Fortran ืžื•ืกื™ืฃ ืงื• ืชื—ืชื•ืŸ ืื—ื“ ืœืฉืžื•ืช ื—ื™ืฆื•ื ื™ื™ื
ืœืœื ืงื•ื•ื™ื ืชื—ืชื•ื ื™ื. ื–ื” ื ืขืฉื” ื›ื“ื™ ืœื”ื‘ื˜ื™ื— ืชืื™ืžื•ืช ืขื ืงื•ื“ ื”ืžื™ื•ืฆืจ ืขืœ ื™ื“ื™ ืจื‘ื™ื
ืžื”ื“ืจื™ื ืฉืœ UNIX Fortran.

ื–ื”ื™ืจื•ืช: ื”ืชื ื”ื’ื•ืช ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืฉืœ GNU Fortran ืื™ื ื” ืชื•ืืžืช f2c ื• g77, ืื ื
ืœื”ืฉืชืžืฉ -ff2c ืืคืฉืจื•ืช ืื ื‘ืจืฆื•ื ืš ืฉืงื•ื‘ืฆื™ ืื•ื‘ื™ื™ืงื˜ ื”ื™ื“ื•ืจ ืขื GNU Fortran ื™ื”ื™ื•
ืชื•ืื ืœืงื•ื“ ืื•ื‘ื™ื™ืงื˜ ืฉื ื•ืฆืจ ืขื ื›ืœื™ื ืืœื”.

ืฉื™ืžื•ืฉ -fno-ื”ื“ื’ืฉื” ืœื ืžื•ืžืœืฅ ืืœื ืื ืืชื” ืžืชื ืกื” ื‘ื‘ืขื™ื•ืช
ื›ื’ื•ืŸ ืฉื™ืœื•ื‘ ืฉืœ GNU Fortran ื‘ืกื‘ื™ื‘ื•ืช ืžืขืจื›ืช ืงื™ื™ืžื•ืช (ืžื•ืœ-a-vis
ืกืคืจื™ื•ืช ืงื™ื™ืžื•ืช, ื›ืœื™ื ื•ื›ืŸ ื”ืœืื”).

ืœื“ื•ื’ืžื”, ืขื -ื ื™ืงื•ื“ ืžื™ืžื•ืŸ, ื•ื‘ื”ื ื—ื” ืฉืœ ื‘ืจื™ืจื•ืช ืžื—ื“ืœ ืื—ืจื•ืช ื›ืžื• -fcase-ื ืžื•ืš ื™ื•ืชืจ ื•
ืฉ-"j()" ื•-"max_count()" ื”ื ืคื•ื ืงืฆื™ื•ืช ื—ื™ืฆื•ื ื™ื•ืช ื‘ืขื•ื“ ืฉ-"my_var" ื•-"lvar" ื”ื
ืžืฉืชื ื™ื ืžืงื•ืžื™ื™ื, ืžืฉืคื˜ ื›ืžื•

I = J() + MAX_COUNT (MY_VAR, LVAR)

ืžื™ื•ืฉื ื›ืžืฉื”ื• ื”ื“ื•ืžื” ืœ:

i = j_() + max_count__(&my_var__, &lvar);

ืขื -fno-ื”ื“ื’ืฉื”, ืื•ืชื” ื”ืฆื”ืจื” ืžื™ื•ืฉืžืช ื›:

i = j() + max_count(&my_var, &lvar);

ืฉื™ืžื•ืฉ -fno-ื”ื“ื’ืฉื” ืžืืคืฉืจ ืžืคืจื˜ ื™ืฉื™ืจ ืฉืœ ืฉืžื•ืช ื”ืžื•ื’ื“ืจื™ื ืขืœ ื™ื“ื™ ื”ืžืฉืชืžืฉ ื‘ืขื•ื“
ืื™ืชื•ืจ ื‘ืื’ื™ื ื•ื‘ืขืช ื”ืชืžืžืฉืงื•ืช ืงื•ื“ GNU Fortran ืขื ืฉืคื•ืช ืื—ืจื•ืช.

ืฉื™ืžื• ืœื‘ ืฉืจืง ื‘ื’ืœืœ ืฉื”ืฉืžื•ืช ืชื•ืืžื™ื ื›ืŸ ืœึนื ืžืชื›ื•ื•ืŸ ืฉื”ืžืžืฉืง ืžื™ื•ืฉื ืขืœ ื™ื“ื™
GNU Fortran ืขื‘ื•ืจ ืฉื ื—ื™ืฆื•ื ื™ ืชื•ืื ืœืžืžืฉืง ืžื™ื•ืฉื ืขืœ ื™ื“ื™ ืžื™ืฉื”ื• ืื—ืจ
ืฉืคื” ืขื‘ื•ืจ ืื•ืชื• ืฉื. ื›ืœื•ืžืจ, ืงื‘ืœืช ืงื•ื“ ืฉืžื™ื•ืฆืจ ืขืœ ื™ื“ื™ GNU Fortran ืœืงืฉืจ ืืœื™ื•
ืงื•ื“ ืฉื”ื•ืคืง ืขืœ ื™ื“ื™ ืžื”ื“ืจ ืื—ืจ ื‘ืืžืฆืขื•ืช ืฉื™ื˜ื” ื–ื• ืื• ืื—ืจืช ื™ื›ื•ืœ ืœื”ื™ื•ืช ืจืง a
ื—ืœืง ืงื˜ืŸ ืžื”ืคืชืจื•ืŸ ื”ื›ื•ืœืœ --- ืงื‘ืœืช ื”ืงื•ื“ ืฉื ื•ืฆืจ ืขืœ ื™ื“ื™ ืฉื ื™ ื”ืžื”ื“ืจื™ื
ืœื”ืกื›ื™ื ื‘ื ื•ืฉืื™ื ืื—ืจื™ื ืžืœื‘ื“ ืžืชืŸ ืฉืžื•ืช ื™ื›ื•ืœื™ื ืœื“ืจื•ืฉ ืžืืžืฅ ืžืฉืžืขื•ืชื™, ื•ื‘ื ื™ื’ื•ื“ ืœืžืชืŸ ืฉืžื•ืช
ื—ื™ืœื•ืงื™ ื“ืขื•ืช, ืžืงืฉืจื™ื ื‘ื“ืจืš ื›ืœืœ ืื™ื ื ื™ื›ื•ืœื™ื ืœื–ื”ื•ืช ืื™ ื”ืกื›ืžื•ืช ื‘ืชื—ื•ืžื™ื ืื—ืจื™ื ืืœื”.

ื›ืžื• ื›ืŸ, ืฉื™ื ืœื‘ ืฉืขื -fno-ื”ื“ื’ืฉื”, ื”ื™ืขื“ืจ ืงื•ื•ื™ื ืชื—ืชื•ื ื™ื ืžืฆื•ืจืคื™ื ืžืฆื™ื’
ื”ืืคืฉืจื•ืช ื”ืืžื™ืชื™ืช ืžืื•ื“ ืฉืฉื ื—ื™ืฆื•ื ื™ ื”ืžื•ื’ื“ืจ ืขืœ ื™ื“ื™ ื”ืžืฉืชืžืฉ ื™ืชื ื’ืฉ ืขื ืฉื
ื‘ืกืคืจื™ื™ืช ืžืขืจื›ืช, ืžื” ืฉื™ื›ื•ืœ ืœื”ืคื•ืš ืืช ืžืฆื™ืืช ื‘ืื’ื™ ื”ืคื ื™ื” ืœื ืคืชื•ืจื™ื ืœืžื“ื™
ืงืฉื” ื‘ืžืงืจื™ื ืžืกื•ื™ืžื™ื --- ื”ื ืขืฉื•ื™ื™ื ืœื”ืชืจื—ืฉ ื‘ื–ืžืŸ ืจื™ืฆืช ื”ืชื•ื›ื ื™ืช, ื•ืœื”ื•ืคื™ืข ืจืง ื‘ืชื•ืจ
ื”ืชื ื”ื’ื•ืช ื‘ืื’ื™ ื‘ื–ืžืŸ ืจื™ืฆื”.

ื‘ื’ืจืกืื•ืช ืขืชื™ื“ื™ื•ืช ืฉืœ GNU Fortran ืื ื• ืžืงื•ื•ื™ื ืœืฉืคืจ ื‘ืขื™ื•ืช ืฉืžื•ืช ื•ืงื™ืฉื•ืจ ื›ืš
ืื™ืชื•ืจ ื‘ืื’ื™ื ืชืžื™ื“ ื›ืจื•ืš ื‘ืฉื™ืžื•ืฉ ื‘ืฉืžื•ืช ื›ืคื™ ืฉื”ื ืžื•ืคื™ืขื™ื ื‘ืžืงื•ืจ, ื’ื ืื
ืฉืžื•ืช ื›ืคื™ ืฉื ืจืื™ื ืขืœ ื™ื“ื™ ื”ืžืงืฉืจ ืžืขื•ื•ืชื™ื ื›ื“ื™ ืœืžื ื•ืข ืงื™ืฉื•ืจ ืžืงืจื™ ื‘ื™ื ื™ื”ื
ื ื”ืœื™ื ืขื ืžืžืฉืงื™ื ืœื ืชื•ืืžื™ื.

-fno-ืงื•ื‘ืฅ ืฉืœื
ื“ื’ืœ ื–ื” ื’ื•ืจื ืœืžื”ื“ืจ ืœืคืชื•ืจ ื•ืœืชืจื’ื ื›ืœ ืคืจื•ืฆื“ื•ืจื” ื‘ืงื•ื‘ืฅ
ืœึฐื—ื•ึผื“.

ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ื›ืœ ื”ืงื•ื‘ืฅ ืžื ื•ืชื— ื•ืžืžื•ืงื ื‘ืขืฅ ืงืฆื” ืื—ื“. ื‘ึผึฐืžึทื”ึฒืœึธืš
ืคืชืจื•ืŸ, ื‘ื ื•ืกืฃ ืœื›ืœ ื”ื‘ื“ื™ืงื•ืช ื•ื”ืชื™ืงื•ื ื™ื ื”ืจื’ื™ืœื™ื, ื”ืชื™ื™ื—ืกื•ื™ื•ืช ื—ื™ืฆื•ื ื™ื•ืช
ื ื”ืœื™ื ืฉื ืžืฆืื™ื ื‘ืื•ืชื• ืคืชืจื•ืŸ ืงื•ื‘ืฅ ืฉืœ ืื•ืชื• ื”ืœื™ืš, ืื ืœื
ื›ื‘ืจ ื ืขืฉื”, ื•ื‘ื“ื™ืงื” ืฉืœ ื”ืžืžืฉืงื™ื. ื”ืชืœื•ืช ื ืคืชืจืช ืขืœ ื™ื“ื™ ืฉื™ื ื•ื™
ื”ืกื“ืจ ืฉื‘ื• ื”ืงื•ื‘ืฅ ืžืชื•ืจื’ื ืœืขืฅ ื”ืื—ื•ืจื™. ืœืคื™ื›ืš, ื ื•ื”ืœ
ื”ืžืคื ื” ืžืชื•ืจื’ื ืœืคื ื™ ื”ื”ืคื ื™ื” ื•ืฉื›ืคื•ืœ ืฉืœ backend
ื”ืฆื”ืจื•ืช ืขืฆื™ื ื‘ื•ื˜ืœื•.

ืืœ ื”ืื ื™ -fno-ืงื•ื‘ืฅ ืฉืœื ื”ืืคืฉืจื•ืช ื”ื•ืฆืื” ืžืฉื™ืžื•ืฉ ื•ืขืฉื•ื™ื” ืœื”ื•ื‘ื™ืœ ืœืงื•ื“ ืฉื’ื•ื™.

-fsecond-ืงื• ืชื—ืชื•ืŸ
ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, GNU Fortran ืžื•ืกื™ืฃ ืงื• ืชื—ืชื•ืŸ ืœืฉืžื•ืช ื—ื™ืฆื•ื ื™ื™ื. ืื ืืคืฉืจื•ืช ื–ื• ื”ื™ื
ื‘ืฉื™ืžื•ืฉ GNU Fortran ืžื•ืกื™ืฃ ืฉื ื™ ืงื•ื•ื™ื ืชื—ืชื•ื ื™ื ืœืฉืžื•ืช ืขื ืงื• ืชื—ืชื•ืŸ ื•ืงื• ืชื—ืชื•ืŸ ืื—ื“
ืœืฉืžื•ืช ื—ื™ืฆื•ื ื™ื™ื ืœืœื ืงื•ื•ื™ื ืชื—ืชื•ื ื™ื. GNU Fortran ืžื•ืกื™ืฃ ื’ื ืฉื ื™ ืงื•ื•ื™ื ืชื—ืชื•ื ื™ื
ืฉืžื•ืช ืคื ื™ืžื™ื™ื ืขื ืงื•ื•ื™ื ืชื—ืชื•ื ื™ื ื›ื“ื™ ืœืžื ื•ืข ื”ืชื ื’ืฉื•ื™ื•ืช ืฉืžื•ืช ืขื ืฉืžื•ืช ื—ื™ืฆื•ื ื™ื™ื.

ืœืืคืฉืจื•ืช ื–ื• ืื™ืŸ ื”ืฉืคืขื” ืื -fno-ื”ื“ื’ืฉื” ื‘ืชื•ืงืฃ. ื–ื” ืžืฉืชืžืข ืžื”-
-ff2c ืื•ึนืคึผึฐืฆึดื™ึธื”.

ืื—ืจืช, ืขื ืืคืฉืจื•ืช ื–ื•, ืฉื ื—ื™ืฆื•ื ื™ ื›ื’ื•ืŸ "MAX_COUNT" ืžื™ื•ืฉื ื‘ืชื•ืจ
ื”ืชื™ื™ื—ืกื•ืช ืœืกืžืœ ื”ื—ื™ืฆื•ื ื™ ื‘ื–ืžืŸ ื”ืงื™ืฉื•ืจ "max_count__", ื‘ืžืงื•ื "max_count_".
ื–ื” ื ื“ืจืฉ ืขื‘ื•ืจ ืชืื™ืžื•ืช ืขื g77 ื• f2c, ื•ืžืฉืชืžืข ืžื”ืฉื™ืžื•ืฉ ื‘-
-ff2c ืื•ึนืคึผึฐืฆึดื™ึธื”.

-fcoarray=
ืืฃ ืœื ืื—ื“
ื”ืฉื‘ืช ืชืžื™ื›ื” ื‘-coarray; ื‘ืืžืฆืขื•ืช ื”ืฆื”ืจื•ืช ืกืชื•ืžื•ืช ื•ื”ืฆื”ืจื•ืช ื‘ืงืจืช ืชืžื•ื ื”
ื™ืคื™ืง ืฉื’ื™ืืช ื–ืžืŸ ืงื•ืžืคื™ืœืฆื™ื”. (ื‘ึผึฐืจึดื™ืจึทืช ืžึถื—ื“ึธืœ)

ื™ื—ื™ื“
ืžืฆื‘ ืชืžื•ื ื” ื‘ื•ื“ื“ืช, ื›ืœื•ืžืจ "num_images()" ื”ื•ื ืชืžื™ื“ ืื—ื“.

lib ืžืงื‘ื™ืœื” ืขื’ื•ื ืžื‘ื•ืกืกืช ืกืคืจื™ื™ื”; ืกืคืจื™ื™ืช ื’ื ื• Fortran coarray ืžืชืื™ืžื”
ืฆืจื™ืš ืœื”ื™ื•ืช ืžืงื•ืฉืจ.

-fcheck=
ืืคืฉืจ ื™ืฆื™ืจืช ื‘ื“ื™ืงื•ืช ื–ืžืŸ ืจื™ืฆื”; ื”ื˜ื™ืขื•ืŸ ื™ื”ื™ื” ืจืฉื™ืžื” ืžื•ืคืจื“ืช ื‘ืคืกื™ืงื™ื
ืžื‘ื™ืŸ ืžื™ืœื•ืช ื”ืžืคืชื— ื”ื‘ืื•ืช.

ืืช ื›ืœ ืืคืฉืจ ืืช ื›ืœ ื‘ื“ื™ืงื•ืช ื–ืžืŸ ื”ืจื™ืฆื” ืฉืœ -fcheck.

ืžืขืจืš-ื˜ืžืคืจื˜ื•ืจื•ืช
ืžื–ื”ื™ืจ ื‘ื–ืžืŸ ืจื™ืฆื” ื›ืืฉืจ ืœืฆื•ืจืš ื”ืขื‘ืจืช ื˜ื™ืขื•ืŸ ื‘ืคื•ืขืœ ืฆืจื™ืš ืœื”ื™ื•ืช ืžืขืจืš ื–ืžื ื™
ื ื•ืฆืจ. ื”ืžื™ื“ืข ืฉื ื•ืฆืจ ืขืœ ื™ื“ื™ ืื–ื”ืจื” ื–ื• ื”ื•ื ืœืคืขืžื™ื ืฉื™ืžื•ืฉื™ ื‘
ืื•ืคื˜ื™ืžื™ื–ืฆื™ื”, ื›ื“ื™ ืœืžื ื•ืข ื–ืžื ื™ื™ื ื›ืืœื”.

ื”ืขืจื”: ื”ืื–ื”ืจื” ืžื•ื“ืคืกืช ืจืง ืคืขื ืื—ืช ื‘ื›ืœ ืžืงื•ื.

ื’ื‘ื•ืœื•ืช
ืืคืฉืจ ื™ืฆื™ืจืช ื‘ื“ื™ืงื•ืช ื–ืžืŸ ืจื™ืฆื” ืขื‘ื•ืจ ืขืจื›ื™ ืžื ื•ื™ ื•ืžื•ืœ ื”ืžื•ืฆื”ืจื™ื
ืขืจื›ื™ ืžื™ื ื™ืžื•ื ื•ืžืงืกื™ืžื•ื. ื–ื” ื’ื ื‘ื•ื“ืง ืืช ืžื“ื“ื™ ื”ืžืขืจืš ืขื‘ื•ืจ ื”ื ื—ื•ืช ื•ื ื“ื—ื•ืช
ืžืขืจื›ื™ ืฆื•ืจื•ืช ืžื•ืœ ื”ื’ื‘ื•ืœื•ืช ืฉื”ื•ืงืฆื• ื‘ืคื•ืขืœ ื•ืžื‘ื˜ื™ื—ื” ืฉื›ืœ ื”ืžื—ืจื•ื–ืช
ืื•ืจื›ื™ื ืฉื•ื•ื™ื ืขื‘ื•ืจ ื‘ื•ื ื™ ืžืขืจืš ืชื•ื•ื™ื ืœืœื ืžืคืจื˜ ื˜ื™ืคื•ืก ืžืคื•ืจืฉ.

ื—ืœืง ืžื”ื‘ื“ื™ืงื•ืช ื“ื•ืจืฉื•ืช ื–ืืช -fcheck=ื’ื‘ื•ืœื•ืช ืžื•ื’ื“ืจ ืœื”ื™ื“ื•ืจ ื”ืจืืฉื™
ืชื›ื ื™ืช.

ื”ืขืจื”: ื‘ืขืชื™ื“ ื–ื” ืขืฉื•ื™ ืœื›ืœื•ืœ ื’ื ืฆื•ืจื•ืช ืื—ืจื•ืช ืฉืœ ื‘ื“ื™ืงื”, ืœืžืฉืœ ื‘ื“ื™ืงื”
ื”ืคื ื™ื•ืช ืœืžื—ืจื•ื–ื•ืช ืžืฉื ื”.

do ืืคืฉืจ ื™ืฆื™ืจืช ื‘ื“ื™ืงื•ืช ื–ืžืŸ ืจื™ืฆื” ืœืฉื™ื ื•ื™ ืœื ื—ื•ืงื™ ืฉืœ ืื™ื˜ืจืฆื™ื” ืฉืœ ืœื•ืœืื”
ืžืฉืชื ื™ื.

ืž ืืคืฉืจ ื™ืฆื™ืจืช ื‘ื“ื™ืงื•ืช ื–ืžืŸ ืจื™ืฆื” ืœื”ืงืฆืืช ื–ื™ื›ืจื•ืŸ. ื”ืขืจื”: ืืคืฉืจื•ืช ื–ื•
ืื™ื ื• ืžืฉืคื™ืข ืขืœ ื”ืงืฆืื•ืช ืžืคื•ืจืฉื•ืช ื‘ืืžืฆืขื•ืช ื”ืฆื”ืจืช "ALLOCATE", ืืฉืจ ืชื”ื™ื”
ืชืžื™ื“ ื ื‘ื“ืง.

ืžืฆื‘ื™ืข
ืืคืฉืจ ื™ืฆื™ืจืช ื‘ื“ื™ืงื•ืช ื–ืžืŸ ืจื™ืฆื” ืขื‘ื•ืจ ืžืฆื‘ื™ืขื™ื ื•ื ื™ืชื ื™ื ืœื”ืงืฆืื”.

ืจืงื•ืจืกื™ื”
ืืคืฉืจ ื™ืฆื™ืจืช ื‘ื“ื™ืงื•ืช ื–ืžืŸ ืจื™ืฆื” ืขื‘ื•ืจ ืชืช-ืฉื’ืจื•ืช ื”ื ืงืจืื•ืช ืจืงื•ืจืกื™ื‘ื™ื•ืช ื•
ืคื•ื ืงืฆื™ื•ืช ืฉืื™ื ืŸ ืžืกื•ืžื ื•ืช ื›ืจืงื•ืจืกื™ื‘ื™ื•ืช. ืจืื” ื’ื -frecursive. ื”ืขืจื”: ื–ื”
check ืœื ืขื•ื‘ื“ ืขื‘ื•ืจ ืชื•ื›ื ื™ื•ืช OpenMP ื•ื”ื•ื ืžื•ืฉื‘ืช ืื ื ืขืฉื” ื‘ื• ืฉื™ืžื•ืฉ ื™ื—ื“ ืขื
-frecursive ื• -fopenmp.

-fbounds-check
ื›ื™ื ื•ื™ ืฉื”ื•ืฆื ืžืฉื™ืžื•ืฉ ืขื‘ื•ืจ -fcheck=ื’ื‘ื•ืœื•ืช.

-fcheck-array-ื–ืžื ื™ื™ื
ื›ื™ื ื•ื™ ืฉื”ื•ืฆื ืžืฉื™ืžื•ืฉ ืขื‘ื•ืจ -fcheck=ืžืขืจืš-ื˜ืžืค'.

-fmax-array-constructor=n
ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื‘ืืคืฉืจื•ืช ื–ื• ื›ื“ื™ ืœื”ื’ื“ื™ืœ ืืช ื”ื’ื‘ื•ืœ ื”ืขืœื™ื•ืŸ ื”ืžื•ืชืจ ื‘ื‘ื•ื ื™ ืžืขืจืš.
ื”ืงื•ื“ ืฉืœื”ืœืŸ ื“ื•ืจืฉ ืืคืฉืจื•ืช ื–ื• ื›ื“ื™ ืœื”ืจื—ื™ื‘ ืืช ื”ืžืขืจืš ื‘ื–ืžืŸ ื”ื”ื™ื“ื•ืจ.

ืžื‘ื—ืŸ ืชื•ื›ื ื™ืช
ืื™ืŸ ืžืจื•ืžื–
ืžืกืคืจ ืฉืœื j
ืžืกืคืจ ืฉืœื, ืคืจืžื˜ืจ :: n = 100000
ืžืกืคืจ ืฉืœื, ืคืจืžื˜ืจ :: i(n) = (/ (2*j, j = 1, n) /)
ื”ื“ืคืก '(10(I0,1X))', i
ืžื‘ื—ืŸ ืกื™ื•ื ื”ืชื•ื›ื ื™ืช

ื–ึฐื”ึดื™ืจื•ึผืช: ื–ึถื” ืื•ึนืคึผึฐืฆึดื™ึธื” ื™ื›ื•ืœ ืขื•ึนืคึถืจึถืช ืœ ืืจื•ืš ืœืขื‘ื“ ืคึผึดื™ ื• ื‘ืฆื•ืจื” ืžื•ื’ื–ืžืช ื’ึธื“ื•ึนืœ ืื•ื‘ื™ื™ืงื˜
ืงื‘ืฆื™ื.

ืขืจืš ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืขื‘ื•ืจ n ื”ื•ื 65535.

-fmax-stack-var-size=n
ืืคืฉืจื•ืช ื–ื• ืžืฆื™ื™ื ืช ืืช ื”ื’ื•ื“ืœ ื‘ื‘ื™ื™ื˜ื™ื ืฉืœ ื”ืžืขืจืš ื”ื’ื“ื•ืœ ื‘ื™ื•ืชืจ ืฉื™ื•ืฆื‘ ื‘-
ืœึทืขึฒืจื•ึนื; ืื ื”ื’ื•ื“ืœ ื—ืจื’ ื ืขืฉื” ืฉื™ืžื•ืฉ ื‘ื–ื™ื›ืจื•ืŸ ืกื˜ื˜ื™ (ืœืžืขื˜ ื”ืœื™ื›ื™ื ื”ืžืกื•ืžื ื™ื ื›
ืจืงื•ืจืกื™ื‘ื™). ื”ืฉืชืžืฉ ื‘ืืคืฉืจื•ืช -frecursive ื›ื“ื™ ืœืืคืฉืจ ื”ืœื™ื›ื™ื ืจืงื•ืจืกื™ื‘ื™ื™ื ืฉืœื
ื‘ืขืœื™ ืชื›ื•ื ื” RECURSIVE ืื• ืขื‘ื•ืจ ืชื•ื›ื ื™ื•ืช ืžืงื‘ื™ืœื•ืช. ืœื”ืฉืชืžืฉ -fno-ืื•ื˜ื•ืžื˜ื™ ืœืขื•ืœื ืœื ืœื”ืฉืชืžืฉ
ื”ืขืจื™ืžื”.

ืืคืฉืจื•ืช ื–ื• ืžืฉืคื™ืขื” ื›ืจื’ืข ืจืง ืขืœ ืžืขืจื›ื™ื ืžืงื•ืžื™ื™ื ื”ืžื•ืฆื”ืจื™ื ืขื ื’ื‘ื•ืœื•ืช ืงื‘ื•ืขื™ื, ื•ืขืฉื•ื™ื”
ืœื ื—ืœ ืขืœ ื›ืœ ืžืฉืชื ื™ ื”ืชื•ื•ื™ื. ื’ืจืกืื•ืช ืขืชื™ื“ื™ื•ืช ืฉืœ GNU Fortran ืขืฉื•ื™ื•ืช ืœืฉืคืจ ื–ืืช
ื”ืชื ื”ื’ื•ืช.

ืขืจืš ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืขื‘ื•ืจ n ื”ื•ื 32768.

-fstack-ืžืขืจื›ื™
ื”ื•ืกืคืช ืืคืฉืจื•ืช ื–ื• ืชื’ืจื•ื ืœืžื”ื“ืจ Fortran ืœืฉื™ื ืืช ื›ืœ ื”ืžืขืจื›ื™ื ื”ืžืงื•ืžื™ื™ื, ืืคื™ืœื• ืืœื” ืฉืœ
ื’ื•ื“ืœ ืœื ื™ื“ื•ืข ืขืœ ื’ื‘ื™ ื–ื™ื›ืจื•ืŸ ืžื—ืกื ื™ืช. ืื ื”ืชื•ื›ื ื™ืช ืฉืœืš ืžืฉืชืžืฉืช ื‘ืžืขืจื›ื™ื ืžืงื•ืžื™ื™ื ื’ื“ื•ืœื™ื ืžืื•ื“, ื”ื™ื ื›ืŸ
ื™ื™ืชื›ืŸ ืฉืชืฆื˜ืจืš ืœื”ืืจื™ืš ืืช ืžื’ื‘ืœื•ืช ื–ืžืŸ ื”ืจื™ืฆื” ืฉืœืš ืขื‘ื•ืจ ื–ื™ื›ืจื•ืŸ ืžื—ืกื ื™ืช ื‘ื—ืœืง
ืžืขืจื›ื•ืช ื”ืคืขืœื”. ื“ื’ืœ ื–ื” ืžื•ืคืขืœ ื›ื‘ืจื™ืจืช ืžื—ื“ืœ ื‘ืจืžืช ื”ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” -ืื•ืคืกื˜.

-fpack-ื ื’ื–ืจ
ืืคืฉืจื•ืช ื–ื• ืื•ืžืจืช ืœ-GNU Fortran ืœืืจื•ื– ื—ื‘ืจื™ื ืžืกื•ื’ ื ื’ื–ืจ ืงืจื•ื‘ ื›ื›ืœ ื”ืืคืฉืจ.
ืงื•ื“ ื”ื™ื“ื•ืจ ืขื ืืคืฉืจื•ืช ื–ื• ืขืฉื•ื™ ืœื”ื™ื•ืช ืœื ืชื•ืื ืœืงื•ื“ ืฉื”ื™ื“ื•ืจ ืœืœื
ืืคืฉืจื•ืช ื–ื•, ื•ืขืฉื•ื™ื” ืœืคืขื•ืœ ืœืื˜ ื™ื•ืชืจ.

-frepack-ืžืขืจื›ื™
ื‘ื ืกื™ื‘ื•ืช ืžืกื•ื™ืžื•ืช GNU Fortran ืขืฉื•ื™ ืœื”ืขื‘ื™ืจ ืงื˜ืขื™ ืžืขืจืš ืฆื•ืจื•ืช ืžืฉื•ืขืจ ื“ืจืš a
ืžืชืืจ ื”ืžืชืืจ ืื–ื•ืจ ืœื ืจืฆื™ืฃ ืฉืœ ื–ื™ื›ืจื•ืŸ. ืืคืฉืจื•ืช ื–ื• ืžื•ืกื™ืคื” ืงื•ื“ ืœ-
ืคืจื•ืœื•ื’ ืคื•ื ืงืฆื™ื” ืœืืจื™ื–ื” ืžื—ื“ืฉ ืฉืœ ื”ื ืชื•ื ื™ื ืœื‘ืœื•ืง ืจืฆื™ืฃ ื‘ื–ืžืŸ ืจื™ืฆื”.

ื–ื” ืืžื•ืจ ืœื”ื‘ื™ื ืœื’ื™ืฉื” ืžื”ื™ืจื” ื™ื•ืชืจ ืœืžืขืจืš. ืขื ื–ืืช ื–ื” ื™ื›ื•ืœ ืœื”ืฆื™ื’
ืชืงื•ืจื” ืžืฉืžืขื•ืชื™ืช ืœืงืจื™ืืช ื”ืคื•ื ืงืฆื™ื”, ื‘ืžื™ื•ื—ื“ ื›ืืฉืจ ื”ื ืชื•ื ื™ื ื”ืžื•ืขื‘ืจื™ื ื”ื
ืœื ืจืฆื™ืฃ.

-fshort-enums
ืืคืฉืจื•ืช ื–ื• ื ื™ืชื ืช ืขื‘ื•ืจ ื™ื›ื•ืœืช ืคืขื•ืœื” ื”ื“ื“ื™ืช ืขื ืงื•ื“ C ืฉื”ื•ื™ื“ื•ืจ ืขื ื”-
-fshort-enums ืื•ึนืคึผึฐืฆึดื™ึธื”. ื–ื” ื™ื’ืจื•ื ืœ-GNU Fortran ืœื‘ื—ื•ืจ ื‘ืกื•ื’ "INTEGER" ื”ืงื˜ืŸ ื‘ื™ื•ืชืจ ื
ืกื˜ ืžื•ื ื™ื ื ืชื•ืŸ ื™ืชืื™ื, ื•ื™ื™ืชืŸ ืืช ื›ืœ ื”ืžื•ื ื™ื ืฉืœื• ืžืกื•ื’ ื–ื”.

-ืคืงืกื˜ืจื ืœ-ื‘ืœืืก
ืืคืฉืจื•ืช ื–ื• ืชืขืฉื” ื’ืคื•ืจื˜ืจืŸ ืœื™ืฆื•ืจ ืงืจื™ืื•ืช ืœืคื•ื ืงืฆื™ื•ืช BLAS ืขื‘ื•ืจ ืžื˜ืจื™ืฆื” โ€‹โ€‹ื›ืœืฉื”ื™
ืคืขื•ืœื•ืช ื›ืžื• "MATMUL", ื‘ืžืงื•ื ืœื”ืฉืชืžืฉ ื‘ืืœื’ื•ืจื™ืชืžื™ื ืฉืœื ื•, ืื ื‘ื’ื•ื“ืœ ืฉืœ
ื”ืžื˜ืจื™ืฆื•ืช ื”ืžืขื•ืจื‘ื•ืช ื’ื“ื•ืœื•ืช ืžื’ื‘ื•ืœ ื ืชื•ืŸ (ืจืื” -fblas-matmul-limit). ื–ื” ื™ื›ื•ืœ ืœื”ื™ื•ืช
ืจื•ื•ื—ื™ ืื ื–ืžื™ื ื” ืกืคืจื™ื™ืช BLAS ืฉืœ ืกืคืง ืื•ืคื˜ื™ืžืœื™ืช. ืกืคืจื™ื™ืช BLAS ืชืขืฉื”
ื™ืฉ ืœืฆื™ื™ืŸ ื‘ื–ืžืŸ ื”ืงื™ืฉื•ืจ.

-fblas-matmul-limit=n
ืžืฉืžืขื•ืชื™ ืจืง ื›ืืฉืจ -ืคืงืกื˜ืจื ืœ-ื‘ืœืืก ื‘ืชื•ืงืฃ. ื›ืคืœ ืžื˜ืจื™ืฆื•ืช ืฉืœ ืžื˜ืจื™ืฆื•ืช
ืขื ื’ื•ื“ืœ ื’ื“ื•ืœ ืž (ืื• ืฉื•ื•ื” ืœ) n ื™ื‘ื•ืฆืข ืขืœ ื™ื“ื™ ืงืจื™ืื•ืช ืœืคื•ื ืงืฆื™ื•ืช BLAS,
ื‘ืขื•ื“ ืฉืื—ืจื™ื ื™ื˜ื•ืคืœื• ืขืœ ื™ื“ื™ ื’ืคื•ืจื˜ืจืŸ ืืœื’ื•ืจื™ืชืžื™ื ืคื ื™ืžื™ื™ื. ืื ื”ืžื˜ืจื™ืฆื•ืช ืžืขื•ืจื‘ื•ืช
ืื™ื ื ืžืจื•ื‘ืขื™ื, ื”ืฉื•ื•ืืช ื”ื’ื•ื“ืœ ืžืชื‘ืฆืขืช ื‘ืืžืฆืขื•ืช ื”ืžืžื•ืฆืข ื”ื’ื™ืื•ืžื˜ืจื™ ืฉืœ ื”
ืžื™ืžื“ื™ื ืฉืœ ืžื˜ืจื™ืฆื•ืช ื”ืืจื’ื•ืžื ื˜ ื•ื”ืชื•ืฆืื”.

ืขืจืš ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืขื‘ื•ืจ n ื”ื•ื 30.

-frecursive
ืืคืฉืจ ืจืงื•ืจืกื™ื” ืขืงื™ืคื” ืขืœ ื™ื“ื™ ืื™ืœื•ืฅ ื›ืœ ื”ืžืขืจื›ื™ื ื”ืžืงื•ืžื™ื™ื ืœื”ื™ื•ืช ืžื•ืงืฆื” ืขืœ ื”ืขืจื™ืžื”.
ืœื ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื‘ื“ื’ืœ ื–ื” ื™ื—ื“ ืขื -fmax-stack-var-size= or -fno-ืื•ื˜ื•ืžื˜ื™.

-ืกื•ืคื™-ืžืงื•ืžื™-ืืคืก
-finit-integer=n
-finit-real=
-ืกื•ืคื™ืช-ืœื•ื’ื™ืช=
-finit-character=n
ืืœ ื”ืื ื™ -ืกื•ืคื™-ืžืงื•ืžื™-ืืคืก option ืžื•ืจื” ืœืžื”ื“ืจ ืœืืชื—ืœ ืืช "INTEGER" ื”ืžืงื•ืžื™,
ืžืฉืชื ื™ "REAL" ื•-"COMPLEX" ืœืืคืก, ืžืฉืชื ื™ "LOGICAL" ืœ-false ื•-"CHARACTER"
ืžืฉืชื ื™ื ืœืžื—ืจื•ื–ืช ืฉืœ ื‘ืชื™ื null. ืืคืฉืจื•ื™ื•ืช ืืชื—ื•ืœ ืขื“ื™ื ื•ืช ื™ื•ืชืจ ื”ืŸ
ื”ืžืกื•ืคืง ืขืœ ื™ื“ื™ -finit-integer=n, -finit-real= (ืืฉืจ ื’ื
ืžืืชื—ืœ ืืช ื”ื—ืœืงื™ื ื”ืืžื™ืชื™ื™ื ื•ื”ื“ืžื™ื•ื ื™ื™ื ืฉืœ ืžืฉืชื ื™ "COMPLEX" ืžืงื•ืžื™ื™ื),
-ืกื•ืคื™ืช-ืœื•ื’ื™ืช=, ื• -finit-character=n (ืื™ืคื” n ื”ื•ื ืชื• ASCII
ืขืจืš) ืืคืฉืจื•ื™ื•ืช. ืืคืฉืจื•ื™ื•ืช ืืœื• ืื™ื ืŸ ืžืืชื—ืœื•ืช

ยท ืžืขืจื›ื™ื ื”ื ื™ืชื ื™ื ืœื”ืงืฆืื”

ยท ืจื›ื™ื‘ื™ื ืฉืœ ืžืฉืชื ื™ ืกื•ื’ ื ื’ื–ืจื™ื

ยท ืžืฉืชื ื™ื ื”ืžื•ืคื™ืขื™ื ื‘ืžืฉืคื˜ "EQUIVALENCE".

(ื™ื™ืชื›ืŸ ืฉื”ืžื’ื‘ืœื•ืช ืืœื• ื™ื•ืกืจื• ื‘ืžื”ื“ื•ืจื•ืช ืขืชื™ื“ื™ื•ืช).

ืฉื™ื ืœื‘ ื›ื™ -finit-real=nan ืืคืฉืจื•ืช ืžืืชื—ืœืช ืžืฉืชื ื™ื "REAL" ื•-"COMPLEX" ืขื a
ืฉืงื˜ NaN. ืœืฉื™ืžื•ืฉ ื‘-NaN ืื™ืชื•ืช -finit-real=snan; ืฉื™ื ืœื‘, ืขื ื–ืืช, ื–ืžืŸ ื”ื™ื“ื•ืจ
ืื•ืคื˜ื™ืžื™ื–ืฆื™ื•ืช ืขืฉื•ื™ื•ืช ืœื”ืžื™ืจ ืื•ืชืŸ ืœ-NaN ืฉืงื˜ ื•ื™ืฉ ืœื”ืคืขื™ืœ ืืช ื”ื”ืฉืžื ื”
(ืœืžืฉืœ ื“ืจืš -ffpe-ืžืœื›ื•ื“ืช).

ืœื‘ืกื•ืฃ, ืฉื™ื ืœื‘ ืฉื”ืคืขืœืช ื›ืœ ืื—ื“ ืžื”- -ืกื•ืคื™-* ืืคืฉืจื•ื™ื•ืช ื™ืฉืชื™ืงื• ืื–ื”ืจื•ืช ืขืœ ื›ืš
ื”ื™ื” ื ืคืœื˜ ืขืœ ื™ื“ื™ -ืœื ืžืื•ืชื—ืœ ืขื‘ื•ืจ ื”ืžืฉืชื ื™ื ื”ืžืงื•ืžื™ื™ื ื”ืžื•ืฉืคืขื™ื.

-falign-commons
ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ื’ืคื•ืจื˜ืจืŸ ืื•ื›ืฃ ื™ื™ืฉื•ืจ ื ื›ื•ืŸ ืฉืœ ื›ืœ ื”ืžืฉืชื ื™ื ื‘ื‘ืœื•ืง "COMMON" ืขืœ ื™ื“ื™
ืœืจืคื“ ืื•ืชื ืœืคื™ ื”ืฆื•ืจืš. ื‘ืคืœื˜ืคื•ืจืžื•ืช ืžืกื•ื™ืžื•ืช ื–ื” ื—ื•ื‘ื”, ื‘ืื—ืจื•ืช ื–ื” ืžืชื’ื‘ืจ
ื‘ื™ืฆื•ืขื™ื. ืื ื‘ืœื•ืง "COMMON" ืื™ื ื• ืžื•ื›ืจื– ืขื ืกื•ื’ื™ ื ืชื•ื ื™ื ืขืงื‘ื™ื™ื
ื‘ื›ืœ ืžืงื•ื, ื”ืจื™ืคื•ื“ ื”ื–ื” ื™ื›ื•ืœ ืœื’ืจื•ื ืœืฆืจื•ืช, ื• -fno-align-commons ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื‘ื• ื›ื“ื™
ื”ืฉื‘ืช ื™ื™ืฉื•ืจ ืื•ื˜ื•ืžื˜ื™. ื™ืฉ ืœื”ืฉืชืžืฉ ื‘ืื•ืชื” ืฆื•ืจื” ืฉืœ ืืคืฉืจื•ืช ื–ื• ืขื‘ื•ืจ ื›ืœ ื”ืงื‘ืฆื™ื
ืฉื—ื•ืœืงื™ื ื‘ืœื•ืง "COMMON". ื›ื“ื™ ืœืžื ื•ืข ื‘ืขื™ื•ืช ื™ื™ืฉื•ืจ ืคื•ื˜ื ืฆื™ืืœื™ื•ืช ื‘ื‘ืœื•ืงื™ื "COMMON",
ืžื•ืžืœืฅ ืœื”ื–ืžื™ืŸ ื—ืคืฆื™ื ืžื”ื’ื“ื•ืœ ืœืงื˜ืŸ ื‘ื™ื•ืชืจ.

-fno-protect-parens
ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ื”ืกื•ื’ืจื™ื™ื ื‘ื‘ื™ื˜ื•ื™ ืžื›ื•ื‘ื“ ืขื‘ื•ืจ ื›ืœ ืจืžื•ืช ื”ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ื›ื’ื•ืŸ
ืฉื”ืžื”ื“ืจ ืœื ืขื•ืฉื” ืฉื•ื ืฉื™ื•ืš ืžื—ื“ืฉ. ื‘ืืžืฆืขื•ืช -fno-protect-parens ืžืืคืฉืจ
ืžื”ื“ืจ ืœืกื“ืจ ืžื—ื“ืฉ ืืช ื”ื‘ื™ื˜ื•ื™ื™ื "REAL" ื•-"COMPLEX" ื›ื“ื™ ืœื™ื™ืฆืจ ืงื•ื“ ืžื”ื™ืจ ื™ื•ืชืจ. ืฆื™ื™ืŸ ื–ืืช
ืœืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ื”ืฉื™ื•ืš ืžื—ื“ืฉ -fno-ืกื™ืžืŸ-ืืคืกื™ื ื• -fno-ืžืœื›ื•ื“ืช-ืžืชืžื˜ื™ืงื” ืฆืจื™ืš
ืœื”ื™ื•ืช ื‘ืชื•ืงืฃ. ื”ื’ื ืช ื”ืกื•ื’ืจื™ื™ื ืžื•ืคืขืœืช ื›ื‘ืจื™ืจืช ืžื—ื“ืœ, ืืœื ืื ื›ืŸ -ืื•ืคืกื˜ is
ื ึธืชื•ึผืŸ.

-frealloc-lhs
ืฆื“ ืฉืžืืœ ื”ื ื™ืชืŸ ืœื”ืงืฆืื” ืฉืœ ื”ืงืฆืื” ืคื ื™ืžื™ืช ืžืชื‘ืฆืข ื‘ืื•ืคืŸ ืื•ื˜ื•ืžื˜ื™
(ืžื—ื“ืฉ) ืžื•ืงืฆื” ืื ื”ื•ื ืœื ืžื•ืงืฆื” ืื• ืฉื™ืฉ ืœื• ืฆื•ืจื” ืื—ืจืช. ื”ืืคืฉืจื•ืช ื”ื™ื
ืžื•ืคืขืœ ื›ื‘ืจื™ืจืช ืžื—ื“ืœ ืœืžืขื˜ ื›ืืฉืจ -std=f95 ื ืชื•ืŸ.

-ื—ื™ืกื•ืœ-ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช-ืคืื’ืจืกื™ื‘ื™ืช
ืคื•ื ืงืฆื™ื•ืช ืขื ืจืฉื™ืžื•ืช ืืจื’ื•ืžื ื˜ื™ื ื–ื”ื•ืช ื ืžื—ืงื•ืช ื‘ืชื•ืš ื”ืฆื”ืจื•ืช, ืœืœื ืงืฉืจ
ื”ืื ื”ืคื•ื ืงืฆื™ื•ืช ื”ืœืœื• ืžืกื•ืžื ื•ืช "PURE" ืื• ืœื. ืœื“ื•ื’ืžื”, ื‘

a = f(b,c) + f(b,c)

ืชื”ื™ื” ืจืง โ€‹โ€‹ืงืจื™ืื” ื‘ื•ื“ื“ืช ืœ-"f". ืืคืฉืจื•ืช ื–ื• ืคื•ืขืœืช ืจืง ืื
-ffrontend-optimize ื”ื•ื ื‘ืชื•ืงืฃ.

-ffrontend-optimize
ืืคืฉืจื•ืช ื–ื• ืžื‘ืฆืขืช ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ื—ื–ื™ืชื™ืช, ื”ืžื‘ื•ืกืกืช ืขืœ ืžื ื™ืคื•ืœืฆื™ื” ืฉืœ ื—ืœืงื™ื ืฉืœ Fortran
ืœื ืชื— ืขืฅ. ืžื•ืคืขืœ ื›ื‘ืจื™ืจืช ืžื—ื“ืœ ืขืœ ื™ื“ื™ ื›ืœ ืื—ื“ -O ืื•ึนืคึผึฐืฆึดื™ึธื”. ืื•ืคื˜ื™ืžื™ื–ืฆื™ื•ืช ืžื•ืคืขืœื•ืช ืขืœ ื™ื“ื™ ื–ื”
ืืคืฉืจื•ืช ืœื›ืœื•ืœ ื—ื™ืกื•ืœ ืฉืœ ืงืจื™ืื•ืช ืคื•ื ืงืฆื™ื” ื–ื”ื•ืช ื‘ืชื•ืš ื‘ื™ื˜ื•ื™ื™ื, ื”ืกืจื”
ืงืจื™ืื•ืช ืžื™ื•ืชืจื•ืช ืœ"TRIM" ื‘ื”ืฉื•ื•ืื•ืช ื•ื”ืงืฆืื•ืช ื•ื”ื—ืœืคืช TRIM(a) ื‘
"a(1:LEN_TRIM(a))". ื ื™ืชืŸ ืœื‘ื˜ืœ ืืช ื”ื‘ื—ื™ืจื” ืขืœ ื™ื“ื™ ืฆื™ื•ืŸ -fno-frontend-optimize.

ื”ืกื‘ื™ื‘ื”


ืืœ ื”ืื ื™ ื’ืคื•ืจื˜ืจืŸ ืžื”ื“ืจ ื›ืจื’ืข ืื™ื ื• ืขื•ืฉื” ืฉื™ืžื•ืฉ ื‘ืžืฉืชื ื™ ืกื‘ื™ื‘ื” ืœืฉืœื™ื˜ื”
ืคืขื•ืœืชื• ืžืขืœ ื•ืžืขื‘ืจ ืœืืœื• ื”ืžืฉืคื™ืขื™ื ืขืœ ืคืขื•ืœืชื• ืฉืœ gcc.

ื”ืฉืชืžืฉ ื‘-arm-linux-gnueabi-gfortran-4.7 ื‘ืื•ืคืŸ ืžืงื•ื•ืŸ ื‘ืืžืฆืขื•ืช ืฉื™ืจื•ืชื™ onworks.net


ืฉืจืชื™ื ื•ืชื—ื ื•ืช ืขื‘ื•ื“ื” ื‘ื—ื™ื ื

ื”ื•ืจื“ ืืคืœื™ืงืฆื™ื•ืช Windows & Linux

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  • 6
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    ื”ื•ืจื“ ื‘ื™ืŸ
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