cc

GCC(1)                             GNU Tools                            GCC(1)



å称
       gcc, g++ - GNU ããã¸ã§ã¯ã C ããã³ C++ ã³ã³ãã¤ã© (gcc-3.2.1)

æ¸å¼
       gcc [ option | filename ]...
       g++ [ option | filename ]...

注æ
       ãã®ããã¥ã¢ã«ã«æ¸ãããæå ±ã¯ GNU C ã³ã³ãã¤ã©ã®å®å¨ãª ãã‐
       ã¥ã¡ã³ãã¼ã·ã§ã³ããã®æç²ã§ããããªãã·ã§ã³ã®æå³ã®è¨è¿°ã«ã¨ã©ãã¾ãã

       ãã®ããã¥ã¢ã«ã¯ãã©ã³ãã£ã¢ã®ã¡ã³ããã³ã¹ãè¡ãªãããæã«ã®ã¿æ´æ°ãã
       ããã®ã§ã常ã«ææ°ã®æå ±ã示ãã¦ããããã§ã¯ããã¾ããã
       ãããã®ããã¥ã¢ã«ã¨å®éã®ã½ããã¦ã§ã¢ã®éã«çç¾ç¹ãããã°ã æ£å¼ãªããã¥ã¡ã³ãã§ãã Info
       ãã¡ã¤ã«ã®ã»ããåç§ãã¦ä¸ããã

       ãã®ããã¥ã¢ã«ä¸ã®å¤ãè¨è¿°ãé大ãªæ··ä¹±ãä¸å·åãããããã¨ã«ãªãã°ã
       ãã®ããã¥ã¢ã«ãã¼ã¸ã®éå¸ã¯ä¸æ¢ãã¾ãã GNU CCã®ã¡ã³ããã³ã¹ä½æ¥ã®é½åä¸ã Info
       ãã¡ã¤ã«ãæ´æ°ããæã«ããã¥ã¢ã«ãã¼ã¸ãä½µãã¦æ´æ°ãããã¨ã¯
       ã§ãã¾ãããããã¥ã¢ã«ãã¼ã¸ã¯æ代éãã§ããã ããã«æéããããã¹ãã§ã¯ãªã㨠GNU ãã‐
       ã¸ã§ã¯ãã§ã¯èãã¦ãã¾ãã

       å®å¨ãªææ°ã®ããã¥ã¡ã³ãã¼ã·ã§ã³ãå¿è¦ãªå ´åã¯ãInfo ãã¡ã¤ã«ã®`gcc'
       ã¾ãã¯ããã¥ã¢ã«ã® Using and Porting GNU CC (for version 2.0)
       ãåç§ãã¦ä¸ããããã®åæ¹ã¯ Texinfo ã®ã½ã¼ã¹ãã¡ã¤ã« gcc.texinfo ããçæããã¾ãã

解説
       C 㨠C++ ã®ã³ã³ãã¤ã©ã¯çµ±åããã¦ãã¾ããã©ã¡ãã®å ´åããå¥åãã¡ã¤ã« ã¯ãããªãã‐
       ã»ã¹ãã³ã³ãã¤ã«ãã¢ã»ã³ãã«ããªã³ã¯ã® 4 ã¤ã®å¦çã¹ãã¼ã¸ã® ãã¡ã® 1
       ã¤ä»¥ä¸ã®ã¹ãã¼ã¸ãè¸ãã§å¦çããã¾ãã ã½ã¼ã¹ãã¡ã¤ã«åã®æ¡å¼µå‐
       ã«ãã£ã¦ã½ã¼ã¹ã®è¨èªãèå¥ãã¾ããã
       ããã©ã«ãã®åä½ã¯ãã©ã¡ãã®ååã§ã³ã³ãã¤ã©ã使ããã«ä¾åãã¦ãã¾ã:

       gcc    ããªããã»ã¹æ¸ã¿ã® (.i) ãã¡ã¤ã«ã C ã®ãã¡ã¤ã«ã¨ä»®å®ããC
              ã¹ã¿ã¤ã«ã®ãªã³ã¯ãè¡ãã¾ãã

       g++    ããªããã»ã¹æ¸ã¿ã®(.i) ãã¡ã¤ã«ã C++ ã®ãã¡ã¤ã«ã¨ä»®å®ããC++
              ã¹ã¿ã¤ã«ã®ãªã³ã¯ãè¡ãã¾ãã

       ã½ã¼ã¹ãã¡ã¤ã«åã®æ¡å¼µåã¯ããã®è¨èªãä½ã§ãããã¨ãã©ã®ãããªå¦çãè¡ããã
       ã¹ããã示ãã¾ã:

       .c     Cè¨èªã½ã¼ã¹ã§ããããªããã»ããµãã³ã³ãã¤ã©ãã¢ã»ã³ãã©ã«ããããã¾ãã
       .C     C++è¨èªã½ã¼ã¹ã§ããããªããã»ããµãã³ã³ãã¤ã©ãã¢ã»ã³ãã©ã«ããããã¾ãã
       .cc    C++è¨èªã½ã¼ã¹ã§ããããªããã»ããµãã³ã³ãã¤ã©ãã¢ã»ã³ãã©ã«ããããã¾ãã
       .cxx   C++è¨èªã½ã¼ã¹ã§ããããªããã»ããµãã³ã³ãã¤ã©ãã¢ã»ã³ãã©ã«ããããã¾ãã
       .m     Objective-C è¨èªã½ã¼ã¹ã§ããããªããã»ããµãã³ã³ãã¤ã©ãã¢ã»ã³ãã©ã«ããããã¾ãã
       .i     ããªããã»ããµã«ãããããCè¨èªã½ã¼ã¹ã§ããã³ã³ãã¤ã©ãã¢ã»ã³ãã©ã«ããããã¾ãã
       .ii    ããªããã»ããµã«ãããããC++è¨èªã½ã¼ã¹ã§ããã³ã³ãã¤ã©ãã¢ã»ã³ãã©ã«ããããã¾ãã
       .s     ã¢ã»ã³ããªè¨èªã½ã¼ã¹ã§ããã¢ã»ã³ãã©ã«ããããã¾ãã
       .S     ã¢ã»ã³ããªè¨èªã½ã¼ã¹ã§ããããªããã»ããµãã¢ã»ã³ãã©ã«ããããã¾ãã
       .h     ããªããã»ããµãã¡ã¤ã«ã§ããé常ã¯ã³ãã³ãã©ã¤ã³ã«ã¯ç¾ãã¾ããã

       ãã®ä»ã®æ¡å¼µåãæã¤ãã¡ã¤ã«ã¯ãªã³ã«ã«æ¸¡ããã¾ãã以ä¸ã®ãã®ãããã¾ãã

       .o     ãªãã¸ã§ã¯ããã¡ã¤ã«ã§ãã
       .a     ã¢ã¼ã«ã¤ããã¡ã¤ã«ã§ãã

       ãªã³ã¯ã¯ããªãã·ã§ã³ -c, -S, -E
       ãæå®ãã¦æå¶ããªãããã(ãããã¯ã³ã³ãã¤ã«ã¨ã©ã¼ã«ãã£ã¦ãã¹ã¦ã®å¦çãä¸æ
       ããªãããã)ã常ã«æçµã¹ãã¼ã¸ã§å®è¡ããã¾ãã
       ãªã³ã¯ã®ã¹ãã¼ã¸ã«ããã¦ã¯ãã½ã¼ã¹ãã¡ã¤ã«ã«å¯¾å¿ããå¨ã¦ã® .o ãã¡ã¤ã«ã¨ã -l
       ã§æå®ããã©ã¤ãã©ãªã¨ãèªèãããªãã£ããã¡ã¤ã«å (ååã« .o
       ã®ã¤ãããªãã¸ã§ã¯ããã¡ã¤ã«ã .a ã®ã¤ããã¢ã¼ã«ã¤ããå«ã) ã¯ã
       ã³ãã³ãã©ã¤ã³ã«ä¸¦ã¹ãããé çªã§ãªã³ã«ã«æ¸¡ããã¾ãã

ãªãã·ã§ã³
       ãªãã·ã§ã³ã¯åå²ããã¦ããªããã°ãªãã¾ãããããªãã¡ `-dr' 㯠`-d -r
       'ã¨ã¯ç°ãªã£ãæ±ããåãã¾ãã

       ã»ã¨ãã©ã® `-f' 㨠`-W' å½¢å¼ã®ãªãã·ã§ã³ã«ã¯ã -fname 㨠-fno-name (ã¾ãã¯
       -Wname 㨠-Wno-name)
       ã®å½¢å¼ã®ã対ç§çãªè¡¨ç¾ãããã¾ããããã§ã¯ããã©ã«ãã§ãªãå½¢å¼ã® ã¿ã示ãã¾ãã

       ãã¹ã¦ã®ãªãã·ã§ã³ã種é¡å¥ã«åãã¦ã¾ã¨ãã¾ããã詳ãã解説ã¯
       以ä¸ã®ç¯ã§è¡ãªãã¾ãã

       å¨ä½çãªãªãã·ã§ã³
              -c -S -E -o file -pipe -v -x language

       è¨èªãªãã·ã§ã³
              -ansi -fall-virtual -fcond-mismatch -fdollars-in-identifiers
              -fenum-int-equiv -fexternal-templates -fno-asm -fno-builtin
              -fhosted -fno-hosted -ffreestanding -fno-freestanding
              -fno-strict-prototype -fsigned-bitfields -fsigned-char
              -fthis-is-variable -funsigned-bitfields -funsigned-char
              -fwritable-strings -traditional -traditional-cpp -trigraphs

       è¦åãªãã·ã§ã³
              -fsyntax-only -pedantic -pedantic-errors -w -W -Wall
              -Waggregate-return -Wcast-align -Wcast-qual -Wchar-subscript
              -Wcomment -Wconversion -Wenum-clash -Werror -Wformat
              -Wid-clash-len -Wimplicit -Wimplicit-int
              -Wimplicit-function-declaration -Winline -Wlong-long -Wmain
              -Wmissing-prototypes -Wmissing-declarations -Wnested-externs
              -Wno-import -Wparentheses -Wpointer-arith -Wredundant-decls
              -Wreturn-type -Wshadow -Wstrict-prototypes -Wswitch
              -Wtemplate-debugging -Wtraditional -Wtrigraphs -Wuninitialized
              -Wunused -Wwrite-strings

       ãããã°ãªãã·ã§ã³
              -a -dletters -fpretend-float -g -glevel -gcoff -gxcoff -gxcoff+
              -gdwarf -gdwarf+ -gstabs -gstabs+ -ggdb -p -pg -save-temps
              -print-file-name=library -print-libgcc-file-name
              -print-prog-name=program

       æé©åãªãã·ã§ã³
              -fcaller-saves -fcse-follow-jumps -fcse-skip-blocks
              -fdelayed-branch -felide-constructors -fexpensive-optimizations
              -ffast-math -ffloat-store -fforce-addr -fforce-mem
              -finline-functions -fkeep-inline-functions -fmemoize-lookups
              -fno-default-inline -fno-defer-pop -fno-function-cse -fno-inline
              -fno-peephole -fomit-frame-pointer -frerun-cse-after-loop
              -fschedule-insns -fschedule-insns2 -fstrength-reduce
              -fthread-jumps -funroll-all-loops -funroll-loops -O -O2 -O3 -O0
              -Os

       ããªããã»ããµãªãã·ã§ã³
              -Aassertion -C -dD -dM -dN -Dmacro[=defn] -E -H -idirafter dir
              -include file -imacros file -iprefix file -iwithprefix dir -M
              -MD -MM -MMD -nostdinc -P -Umacro -undef

       ã¢ã»ã³ãã©ãªãã·ã§ã³
              -Wa,option

       ãªã³ã«ãªãã·ã§ã³
              -llibrary -nostartfiles -nostdlib -static -shared -symbolic
              -Xlinker option -Wl,option -u symbol

       ãã£ã¬ã¯ããªãªãã·ã§ã³
              -Bprefix -Idir -I- -Ldir

       ã¿ã¼ã²ãããªãã·ã§ã³
              -b  machine -V version

       ã³ã³ãã£ã®ã¥ã¬ã¼ã·ã§ã³ä¾åãªãã·ã§ã³
              M680x0 ãªãã·ã§ã³
              -m68000 -m68020 -m68020-40 -m68030 -m68040 -m68881 -mbitfield
              -mc68000 -mc68020 -mfpa -mnobitfield -mrtd -mshort -msoft-float

              VAX ãªãã·ã§ã³
              -mg -mgnu -munix

              SPARC ãªãã·ã§ã³
              -mepilogue -mfpu -mhard-float -mno-fpu -mno-epilogue
              -msoft-float -msparclite -mv8 -msupersparc -mcypress

              Convex ãªãã·ã§ã³
              -margcount -mc1 -mc2 -mnoargcount

              AMD29K ãªãã·ã§ã³
              -m29000 -m29050 -mbw -mdw -mkernel-registers -mlarge -mnbw
              -mnodw -msmall -mstack-check -muser-registers

              M88K ãªãã·ã§ã³
              -m88000 -m88100 -m88110 -mbig-pic -mcheck-zero-division
              -mhandle-large-shift -midentify-revision
              -mno-check-zero-division -mno-ocs-debug-info
              -mno-ocs-frame-position -mno-optimize-arg-area
              -mno-serialize-volatile -mno-underscores -mocs-debug-info
              -mocs-frame-position -moptimize-arg-area -mserialize-volatile
              -mshort-data-num -msvr3 -msvr4 -mtrap-large-shift
              -muse-div-instruction -mversion-03.00 -mwarn-passed-structs

              RS6000 ãªãã·ã§ã³
              -mfp-in-toc -mno-fop-in-toc

              RT ãªãã·ã§ã³
              -mcall-lib-mul -mfp-arg-in-fpregs -mfp-arg-in-gregs
              -mfull-fp-blocks -mhc-struct-return -min-line-mul
              -mminimum-fp-blocks -mnohc-struct-return

              MIPS ãªãã·ã§ã³
              -mcpu=cpu type -mips2 -mips3 -mint64 -mlong64 -mlonglong128
              -mmips-as -mgas -mrnames -mno-rnames -mgpopt -mno-gpopt -mstats
              -mno-stats -mmemcpy -mno-memcpy -mno-mips-tfile -mmips-tfile
              -msoft-float -mhard-float -mabicalls -mno-abicalls -mhalf-pic
              -mno-half-pic -G num -nocpp

              i386 ãªãã·ã§ã³
              -m386 -m486 -mpentium -mpentiumpro -mno-486 -mcpu=cpu type
              -march=cpu type -msoft-float -mrtd -mregparm -msvr3-shlib
              -mno-ieee-fp -mno-fp-ret-in-387 -mfancy-math-387
              -mno-wide-multiply -mdebug-addr -mno-move -mprofiler-epilogue
              -reg-alloc=LIST

              HPPA ãªãã·ã§ã³
              -mpa-risc-1-0 -mpa-risc-1-1 -mkernel -mshared-libs
              -mno-shared-libs -mlong-calls -mdisable-fpregs
              -mdisable-indexing -mtrailing-colon

              i960 ãªãã·ã§ã³
              -mcpu-type -mnumerics -msoft-float -mleaf-procedures
              -mno-leaf-procedures -mtail-call -mno-tail-call -mcomplex-addr
              -mno-complex-addr -mcode-align -mno-code-align -mic-compat
              -mic2.0-compat -mic3.0-compat -masm-compat -mintel-asm
              -mstrict-align -mno-strict-align -mold-align -mno-old-align

              DEC Alpha ãªãã·ã§ã³
              -mfp-regs -mno-fp-regs -mno-soft-float -msoft-float

              System V ãªãã·ã§ã³
              -G -Qy -Qn -YP,paths -Ym,dir

       ã³ã¼ãçæãªãã·ã§ã³
              -fcall-saved-reg -fcall-used-reg -ffixed-reg
              -finhibit-size-directive -fnonnull-objects -fno-common
              -fno-ident -fno-gnu-linker -fpcc-struct-return -fpic -fPIC
              -freg-struct-return -fshared-data -fshort-enums -fshort-double
              -fvolatile -fvolatile-global -fverbose-asm

FreeBSD åºæã®ãªãã·ã§ã³
       -pthread
              ã¹ã¬ããåã¦ã¼ã¶ããã»ã¹ã« libc ã®ä»£ãã« libc_r ããªã³ã¯ãã¾ãã

å¨ä½çãªãªãã·ã§ã³
       -x language
              ãã®ãªãã·ã§ã³ã«ç¶ãå¥åãã¡ã¤ã«ã®è¨èªã language ã§ããã¨æ示çã«æå®ãã¾ã
              (æ¡å¼µåã«åºã¥ãããã©ã«ãã®é¸æãããåªåããã¾ã)ããã®ãªãã·ã§ã³ã¯ã 次ã®
              `-x' ãªãã·ã§ã³ãåºã¦ããã¾ã§ãå¾ç¶ããå¨ã¦ã®å¥åãã¡ã¤ã«ã«å¯¾ãã¦
              é©ç¨ããã¾ããlanguage ã¨ãã¦ã¯ã `c', `objective-c', `c-header',
              `c++', `cpp-output', `assembler', `assembler-with-cpp'
              ãæå®ãããã¨ãå¯è½ã§ãã

       -x none
              è¨èªã®æå®ã解é¤ãã¾ãããã®ãªãã·ã§ã³ã®ãã¨ã«ç¶ããã¡ã¤ã«ã¯ããããã®æ¡å¼µå‐
              ã« åºã¥ã㦠(ããããä½ã® `-x' ãªãã·ã§ã³ã使ç¨ããããã¨ããªãããã«)
              å¦çããã¾ãã

       ããã4 ã¤ã®ã¹ãã¼ã¸ (ããªããã»ã¹ãã³ã³ãã¤ã«ãã¢ã»ã³ãã«ããªã³ã¯) ã®
       ãã¡ã®ä¸é¨ã®ã¿ãå¿è¦ãªå ´åã¯ã `-x' ãªãã·ã§ã³ (ã¾ãã¯ãã¡ã¤ã«åã®æ¡å¼µå)
       ã使ç¨ã㦠gcc ã«å¯¾ãã¦ã©ã®ã¹ãã¼ã¸ããéå§ããããä¼ããããã« `-c', `-S', `-E'
       ã®ãªãã·ã§ã³ã®ãã¡ã®ã©ããã使ç¨ã㦠gcc ã«å¯¾ãã¦ã©ãã§å¦çãåæ‐
       ¢ãããããæå®ãã¾ããããã§ã ããã¤ãã®çµã¿åãã (ä¾ãã° `-x cpp-output -E') 㯠gcc
       ã«å¯¾ãã¦ä½ã®åä½ãè¡ãªããªãããã«æå®ãããã¨ã«ãªããã¨ã«æ³¨æãã¦ãã ããã

       -c     ã½ã¼ã¹ãã¡ã¤ã«ããã³ã³ãã¤ã«ã¾ãã¯ã¢ã»ã³ãã«ã¾ã§ã¯ãã¾ããããªã³ã¯ã¯ãã¾ããã
              ã³ã³ãã¤ã©ã®åºåã¯ãããããã®ã½ã¼ã¹ãã¡ã¤ã«ã«å¯¾å¿ãããªãã¸ã§ã¯ããã¡ã¤ã«
              ã¨ãªãã¾ãã

              ããã©ã«ãã§ã¯ãGCC ã¯ãªãã¸ã§ã¯ããã¡ã¤ã«ã®ãã¡ã¤ã«åã¨ãã¦ã
              ã½ã¼ã¹ãã¡ã¤ã«ã®æ¡å¼µå `.c', `.i', `.s' çã `.o'
              ã§ç½®ãæãããã®ã使ç¨ãã¾ãã -o
              ãªãã·ã§ã³ã使ç¨ãããã¨ã«ãã£ã¦ãä»ã®ååãæå®ãããã¨ãå¯è½ã§ãã

              GCC 㯠-c ãªãã·ã§ã³ã使ç¨ããå ´åã¯ãç解ã§ããªãå¥åãã¡ã¤ã«
              (ã³ã³ãã¤ã«ãã¢ã»ã³ãã« ãå¿è¦ã¨ããªããã¡ã¤ã«) ãç¡è¦ãã¾ãã

       -S     ã³ã³ãã¤ã«ãçµã£ãæã§å¦çãåæ¢ããã¢ã»ã³ãã«ã¯è¡ãã¾ããã
              ã¢ã»ã³ãã©ã³ã¼ãã§ã¯ãªãå¥åãã¡ã¤ã«ãæ
              å®ãããå ´åã¯ãåºåã¯ã¢ã»ã³ãã©ã³ã¼ãã®ãã¡ã¤ã«ã«ãªãã¾ãã

              ããã©ã«ãã§ã¯ãGCC ã¯ã¢ã»ã³ãã©ãã¡ã¤ã«ã®ãã¡ã¤ã«åã¨ãã¦ã
              ã½ã¼ã¹ãã¡ã¤ã«ã®æ¡å¼µå `.c', `.i' çã `.s' ã§ç½®ãæãããã®ã使ç¨ãã¾ãã
              -o ãªãã·ã§ã³ã使ç¨ãããã¨ã«ãã£ã¦ãä»ã®ååãæå®ãããã¨ãå¯è½ã§ãã

              GCC ã¯ã³ã³ãã¤ã«ãå¿è¦ã¨ããªãå¥åãã¡ã¤ã«ãå¨ã¦ç¡è¦ãã¾ãã

       -E     ããªããã»ã¹å¦çãçµäºããã¨ããã§åæ¢ãã¾ããã³ã³ãã¤ã«ã¯ãã¾ããã åºåã¯ããªãã‐
              ã»ã¹æ¸ã¿ã®ã½ã¼ã¹ã³ã¼ãã§ãããæ¨æºåºåã¸ã¨éããã¾ãã

              GCC ã¯ããªããã»ã¹ãå¿è¦ã¨ããªãå¥åãã¡ã¤ã«ãå¨ã¦ç¡è¦ãã¾ãã

       -o file
              åºååã file ã«æå®ãã¾ãããã®ãªãã·ã§ã³ã¯ GCC ãå®è¡å¯è½ãã¡ã¤ã«ã
              ãªãã¸ã§ã¯ããã¡ã¤ã«ãã¢ã»ã³ãã©ãã¡ã¤ã«ãããªããã»ã¹æ¸ã¿ C ã³ã¼ããªã©ã®ã
              ãããªã種é¡ã®åºåãè¡ãªãå ´åã«ãé©ç¨å¯è½ã§ãã

              åºåãã¡ã¤ã«ã¯ 1 ã¤ããæå®ã§ããªãããã `-o'
              ãè¤æ°ã®å¥åãã¡ã¤ã«ãã³ã³ãã¤ã«ããéã«ä½¿ç¨ãããã¨ã¯ãå®è¡ãã¡
              ã¤ã«ãåºåããæ以å¤ã¯ç¡æå³ã§ãã

              `-o'ãªãã·ã§ã³ãæå®ããªãã£ãå ´åã®ããã©ã«ãã¯ãå®è¡ãã¡ã¤ã«ãä½ãå ´ åã¯
              `a.out' ã¨ããååã§ããã`source.suffix'
              ã®å½¢å¼ã®ãã¡ã¤ã«åãæã£ãã½ã¼ã¹ãã¡ã¤ã«ã®ãªãã¸ã§ã¯ããã¡ã¤ã«ã¯
              `source.o' ã§ãããã¢ã»ã³ãã©ã®ãã¡ã¤ã«ã¯ `source.s' ã§ãã ããªãã‐
              ã»ã¹æ¸ã¿ã® C è¨èªã¯ãå¨ã¦æ¨æºåºåã«éããã¾ãã

       -v     (æ¨æºã¨ã©ã¼åºåã«å¯¾ãã¦) ã³ã³ãã¤ã«ã®åã¹ãã¼ã¸ã§å®è¡ãããã³ãã³ãã
              表示ãã¾ããã³ã³ãã¤ã©ãã©ã¤ããããªããã»ããµããã³æ¬æ¥ã®ã³ã³ãã¤ã©ã®
              åãã¼ã¸ã§ã³çªå·ã表示ãã¾ãã

       -pipe  ã³ã³ãã¤ã«æã®ã¹ãã¼ã¸ã®éã®ãã¼ã¿ã®åã渡ãã«ããã³ãã©ãªãã¡ã¤ã«ã§ã¯ãªã
              ãã¤ãã使ç¨ãã¾ããããã¤ãã®ã·ã¹ãã ã§ã¯ã¢ã»ã³ãã©ããã¤ãããã®å¥åãåã
              ä»ãããã¨ãã§ããªãããã«ããã®ãªãã·ã§ã³ãæå®ããã¨å¤±æãã¾ãã GNU
              ã¢ã»ã³ãã©ã§ã¯åé¡ãªã使ç¨ã§ãã¾ãã

è¨èªãªãã·ã§ã³
       以ä¸ã®ãªãã·ã§ã³ã¯ãã³ã³ãã¤ã©ãåãä»ãã C ã®æ¹è¨ã«é¢ããå¶å¾¡ãè¡ãªãã¾ã:

       -ansi  å¨ã¦ã® ANSI æ¨æºã® C ããã°ã©ã ããµãã¼ããã¾ãã

              ãã®ãªãã·ã§ã³ã¯ãGNU C ãæ㤠ANSI C ã¨ã®éäºæãªæ©è½ãå¨ã¦æé¤ãã¾ãã
              ä¾ãã°ãasm, inline, typeof ãªã©ã®ãã¼ã¯ã¼ãããunix ã vax
              ãªã©ã®ç¾å¨ä½¿ç¨ãã¦ããã·ã¹ãã ãè¦å®ããå®ç¾©æ¸ã¿ãã¯ããªã©ãæå¶ããã¾ãã
              ããã«ã好ã¾ãããªããã¤ã»ã¨ãã©ä½¿ç¨ãããªã ANSI ã®ãã©ã¤ã°ã©ãã®æ©è½ã使
              ç¨å¯è½ã¨ããããã« `$' ãèå¥åã®ä¸é¨ã¨ãã¦ä½¿ç¨ã§ããªãããã«ãã¾ãã

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              ããªããã»ããµå®ç¾©æ¸ã¿ãã¯ã __STRICT_ANSI__ ã `-ansi'
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              __typeof__ ã使ç¨ã§ãã¾ãã `-ansi' ãæå®ããã¨ãæé»ã®ãã¡ã« `-fno-asm'
              ãæå®ãããã®ã¨ã¿ãªããã¾ãã

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              COFF 㨠real-ELF ã®ã©ã¡ãã使ç¨ãããããé¸æãã¾ãã
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       以ä¸ã®ãªãã·ã§ã³ã¯ IBM RS6000 ã®ããã«å®ç¾©ããããã®ã§ãã

       -mfp-in-toc

       -mno-fp-in-toc
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       以ä¸ã¯ IBM RT PC ç¨ã«å®ç¾©ããã `-m' ãªãã·ã§ã³ã§ãã

       -min-line-mul
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       -mfull-fp-blocks
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              奨ããã¦ããæä½éã®ã¹ã¯ã©ããã¹ãã¼ã¹ã®éãåå«ãã¾ããããã¯ããã©ã«ãã§ãã

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              ãã®ãªãã·ã§ã³ãæå®ããã¨ãvarargs.h ã stdarg.h
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       -mfp-arg-in-gregs
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       -mhc-struct-return
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              ã³ã³ãã¤ã©ã¨ã®äºææ§ãæä¾ãã¾ãã`-fpcc-struct-return'
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       -mnohc-struct-return
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              ããã¯ãã®æ¹ã便å©ã§ããã¨èããããæã«ä½¿ç¨ããã¾ããããã¯ããã©ã«ãã§ãã IBM
              ãæä¾ããã³ã³ãã¤ã©ã¨ã®äºææ§ãå¾ãããã«ã¯ã`-fpcc-struct-return' ã¨
              `-mhc-struct-return' ã®åæ¹ã使ç¨ãã¾ãã

       以ä¸ã¯ MIPS ãã¡ããªã®ããã«å®ç¾©ããã `-m' ãªãã·ã§ã³ã§ãã

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              çæãã¾ããããã¯ãçæãããã³ã¼ããã©ã® MIPS cpu ã«ããã¦ãé©å½ãªé度
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              r3000, r4000, r6000 ãããã¾ããç¹å®ã® cpu-type
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              ã³ã³ãã¤ã©ã¯ã -mips2 ã¾ã㯠-mips3 ã¹ã¤ããã使ç¨ããã¦ããªãå ´åã¯ãMIPS
              ISA (instruction set architecture) ã®ã¬ãã« 1
              ã«åè´ããªãã³ã¼ããçæãããã¨ã¯ããã¾ããã

       -mips2 MIPS ISA ã®ã¬ãã« 2 (branch likely å½ä»¤, å¹³æ¹æ ¹å½ä»¤)
              ã«ããå½ä»¤ç¾¤ ãåºåãã¾ãã -mcpu=r4000 㨠-mcpu=r6000 ã¹ã¤ããã¯ã
              -mips2 ã¨å±ã«ä½¿ç¨ãããå¿è¦ãããã¾ãã

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              -mcpu=r4000 ã¹ã¤ããã¯ã -mips2 ã¨åæã«ä½¿ç¨ããå¿è¦ãããã¾ãã

       -mint64

       -mlong64

       -mlonglong128
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       -mmips-as
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              以å¤ã®å¨ã¦ã®ãã©ãããã©ã¼ã ã«ãããããã©ã«ãã§ãã OSF/1
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              使ç¨ãã¾ããã¹ã¤ãã -ggdb, -gstabs, -gstabs+
              ã®ãã¡ã®ã©ããã使ç¨ããã¦ããå ´åã¯ã mips-tfile ããã°ã©ã ã¯ãstabs ã
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       -mgas  GNU ã¢ã»ã³ãã©ç¨ã®ã³ã¼ããçæãã¾ãããã㯠OSF/1 ãªãã¡ã¬ã³ã¹ãã©ãããã©ã¼ã
              ã«ãããããã©ã«ãã§ããOSF/1 ãªãã¡ã¬ã³ã¹ãã©ãããã©ã¼ã 㯠OSF/rose
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       -mrnames

       -mno-rnames
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              ã®ä»£ããã«ä½¿ç¨ãã¾ã)ã GNU ã¢ã»ã³ãã©ã¯ -mrnames
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              ããªããã»ããµãèµ·åããã§ãããã -mno-rnames ã¹ã¤ãããããã©ã«ãã§ãã

       -mgpopt

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       -mmips-tfile

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              -mcpu=r4000 㨠-mips3 ã¹ã¤ãããæå®ããå¿è¦ãããã¾ãã

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       -mabicalls

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              .abicalls, .cpload, .cprestore ãåºåããããããã¯åºåãã¾ããã

       -mhalf-pic

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              ãã®ãªãã·ã§ã³ã¯ç¾å¨ã¾ã åä½ãã¾ããã -Gnum 㯠num ãã¤ã以ä¸ã®ã°ã‐
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              ã»ã¯ã·ã§ã³ã§ã¯ãªããå°ããªãã¼ã¿ãã¾ã㯠bss ã»ã¯ã·ã§ã³ã«éç½®ãããã¨ã
              æå®ãã¾ãã ããã«ããã¢ã»ã³ãã©ã¯ãé常ã§ã¯ 2 ã¯ã¼ãã®åç§ãè¡ãã¨ãããã ã°ã‐
              ã¼ãã«ãã¤ã³ã¿ (gp ã¾ã㯠$28) ãåºæºã¨ãã 1
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              ã¢ã»ã³ãã©ã使ç¨ãããå ´åã®ããã©ã«ã㯠0 ã§ãã -Gnum
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       -nocpp MIPS ã¢ã»ã³ãã©ã«ãã¦ã¼ã¶ã¢ã»ã³ãã©ãã¡ã¤ã« (`.s' æ¡å¼µåãæã¡ã¾ã)
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       以ä¸ã¯ãIntel 80386 ãã¡ããªç¨ã«å®ç¾©ããã `-m' ãªãã·ã§ã³ã§ãã

       -m486

       -mno-486
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              ãæå®ãè¡ãã¾ãã486 ç¨ã«çæãããã³ã¼ã㯠386 ã§å®è¡å¯è½ã§ãããéã
              ã¾ãå¯è½ã§ãã

       -mpentium
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       -mpentiumpro
              -mcpu=pentiumpro ã¨å義ã§ãã

       -mcpu=cpu type
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              TYPE ã®é¸æè¢ã¯ i386, i486, i586 (pentium), pentium, i686
              (pentiumpro), ããã³ pentiumpro ã§ãã ãã CPU TYPE
              ãé¸ã¶ã¨ããã®ç¹å®ãããã«é©ããããã«ã¹ã±ã¸ã¥ã¼ãªã³ã°ã è¡ãã¾ããã
              -march=cpu type ãªãã·ã§ã³ãæå®ããªãéããã³ã³ãã¤ã©ã¯ i386
              ã§å®è¡ã§ããªããã㪠ã³ã¼ãã¯çæãã¾ããã

       -march=cpu type
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              i486, pentium, ããã³ pentiumpro ã§ãã -march=cpu type ãæå®ããã¨
              -mcpu=cpu type ãæå®ããããã®ã¨ã¿ãªãã¾ãã

       -msoft-float
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              ãã®å¿é ã®ã©ã¤ãã©ãªã¯ GNU CC
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              ã³ã³ãã¤ã©ã®æä¾ãããã®ã使ç¨ãã¾ãããããã¯é常ã®æ¹æ³ ã§ã¯ã¯ã‐
              ã¹ã³ã³ãã¤ã«ã§ç´æ¥ä½¿ç¨ãããã¨ã¯ã§ãã¾ãããã¯ãã¹ã³ã³ãã¤ã«ãè¡
              ãªãããå ´åã¯ãèªåèªèº«ã§å¿è¦ãªã©ã¤ãã©ãªé¢æ°ãç¨æããå¿è¦ãããã¾ãã

              é¢æ°ãæµ®åå°æ°ç¹æ°ãè¿ãæã« 80387 ã¬ã¸ã¹ã¿ã¹ã¿ãã¯ã使ç¨ãããã·ã³ã«
              ããã¦ã¯ã`-msoft-float'
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       -mno-fp-ret-in-387
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              é常ã®é¢æ°å¼ã³åºãè¦ç´ã¯ããã¨ã FPU ãåå¨ããªãã¦ã float 㨠double
              ã®çµæã FPU ã¬ã¸ã¹ã¿ã«å¥ãã¦è¿ãã¾ãããããã£ã¦ãã®å ´åã
              ãªãã¬ã¼ãã£ã³ã°ã·ã¹ãã 㯠FPU ãã¨ãã¥ã¬ã¼ãããªããã°ãªãã¾ããã

              `-mno-fp-ret-in-387' ãªãã·ã§ã³ãæå®ããã¨ãæµ®åå°æ°ç¹æ°ãé常㮠CPU
              ã¬ã¸ã¹ã¿ã«å¥ã ã¦è¿ããã¾ãã

       -mprofiler-epilogue

       -mno-profiler-epilogue
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       以ä¸ã¯ HPPA ãã¡ããªç¨ã«å®ç¾©ããã `-m' ãªãã·ã§ã³ã§ãã

       -mpa-risc-1-0
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       -mpa-risc-1-1
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              éã®å ´åãé¤ãã¾ã)ã

              reg ã¯ã¬ã¸ã¹ã¿åã§ãªããã°ãªãã¾ãããåãä»ããããã¬ã¸ã¹ã¿åã¯ãã·ã³åº
              æã§ããããã·ã³è¨è¿°ãã¯ããã¡ã¤ã«åã® REGISTER_NAMES ãã¯ã‐
              ã«è¨è¿°ããããã®ã§ãã

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              ããããã§ãã

       -fcall-used-reg
              ååã reg
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              ã¨ãã¦åãæ±ãã¾ããããã¯ãé¢æ°å¼ã³åºããè·¨ãã§åå¨ããªãä¸æé åãå¤æ°
              ã¨ãã¦å²ãå½ããã¨ãã§ãã¾ãããã®æå®ã§ã³ã³ãã¤ã«ãããé¢æ°ã¯ãã¬ã¸ã¹ã¿ reg
              ã®ä¿åã復帰ãè¡ãã¾ããã

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              ããã¬ã¸ã¹ã¿ãä¾ãã°ã¹ã¿ãã¯ãã¤ã³ã¿ããã¬ã¼ã ãã¤ã³ã¿ã«å¯¾ãã¦é©ç¨ãã
              ãã¨ã¯ãç ´æ»çãªçµæãçã¿ã¾ãã

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              ããããã§ãã

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              ååã reg ã®ã¬ã¸ã¹ã¿ããé¢æ°ã«ãã£ã¦ä¿åãããå²ãå½ã¦å¯è½ãªã¬ã¸ã¹ã¿ã¨ãã¦å
              ãæ±ãã¾ããããã¯ãé¢æ°å¼ã³åºããè·¨ãã§åå¨ããä¸æé åãå¤æ°ã¨ãã¦ãå²ã
              å½ã¦ããã¨ãã§ãã¾ãããã®æå®ã§ã³ã³ãã¤ã«ãããé¢æ°ã¯ãã¬ã¸ã¹ã¿ reg
              ã使ç¨ããå ´åããã®ä¿åã¨å¾©å¸°ãè¡ãã¾ãã

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              ããã¬ã¸ã¹ã¿ãä¾ãã°ã¹ã¿ãã¯ãã¤ã³ã¿ããã¬ã¼ã ãã¤ã³ã¿ã«å¯¾ãã¦é©ç¨ãã
              ãã¨ã¯ãç ´æ»çãªçµæãçã¿ã¾ãã

              ã¾ãããã®ãã©ã°ãé¢æ°ã®è¿ãå¤ãæ ¼ç´ãããã¬ã¸ã¹ã¿ã«ä½¿ç¨ããã¨ãããã
              ç ´æ»çãªçµæãçã¿ã¾ãã

              ãã®ãã©ã°ã¯ç¡å¹å½¢å¼ãæã¡ã¾ããããªããªãããã㯠3 éãã®æå®ãå¯è½ã§
              ããããã§ãã

ãã©ã°ã
       2 ã¤ã® `#pragma' ãã£ã¬ã¯ãã£ã(æ令)ã GNU C++
       ã«ãã£ã¦ãµãã¼ãããã¦ãã¾ããããã¯ã1 ã¤ã®ããããã¡ã¤ã«ã 2
       ã¤ã®ç®çãã¤ã¾ããããªãã¸ã§ã¯ãã¯ã©ã¹ã®ããã®
       ã¤ã³ã¿ãã§ã¼ã¹ã®å®ç¾©ã¨ãã¦ã®ç®çã¨ããªãã¸ã§ã¯ãã¯ã©ã¹ã«å«ã¾ããå容
       ã®å®å¨ãªå®ç¾©ã¨ãã¦ã®ç®çã®ã両æ¹ã®ç®çã§ä½¿ç¨ããããã®ãã®ã§ãã

       #pragma interface
              (C++ ã®ã¿)
              ãã®ãã£ã¬ã¯ãã£ããããªãã¸ã§ã¯ãã¯ã©ã¹ãå®ç¾©ãã¦ããããããã¡ã¤ã«ä¸
              ã«ä½¿ç¨ãããã¨ã«ãã£ã¦ããããã®ã¯ã©ã¹ã使ç¨ããã»ã¨ãã©ã®ãªãã¸ã§ã¯ã
              ãã¡ã¤ã«ã®å¤§ãããæ¸å°ããããã¨ãã§ãã¾ããé常ã¯ã ç¹å®ã®æå ±
              (ã¤ã³ã©ã¤ã³ã¡ã³ãé¢æ°ã®ããã¯ã¢ããã³ãã¼ããããã°æå ±ã
              ä»®æ³é¢æ°å®ç¾ã®ããã®åé¨ãã¼ãã«)
              ã®è¤è£½ããã®ã¯ã©ã¹å®ç¾©ãã¤ã³ã¯ã«ã¼ããã ããããã®ãªãã¸ã§ã¯ããã¡ã¤ã«ä¸‐
              ã«ç½®ããã¾ãã ãã®ãã©ã°ãã使ç¨ãããã¨ã«ãã£ã¦ããã®ãããªè¤è£½ãé²ããã¨ã
              å¯è½ã¨ãªãã¾ãã`#pragma interface'
              ãå«ãã ããããã¡ã¤ã«ãã¤ã³ã¯ã«ã¼ãããå ´åã¯ããããã®è¿½å æå ± ã¯çæããã¾ãã
              (ãã ããã¡ã¤ã³ã®å¥åã½ã¼ã¹ãã¡ã¤ã«èªèº«ã `#pragma implementation'
              ãå«ãã§ããå ´åãé¤ãã¾ã)ããã®ãããããªãã¸ã§ã¯ããã¡ã¤ã«ã¯
              ãªã³ã¯æã«è§£æ±ºãããåç§ãå«ããã¨ã«ãªãã¾ãã

       #pragma implementation

       #pragma implementation "objects.h"
              (C++ ã®ã¿) ã¤ã³ã¯ã«ã¼ããããããããã¡ã¤ã«ã«ããå®å¨ãªåºåãçæãããã (ã¾ãã
              ããã°ãã¼ãã«ã«å¯è¦åããã) å ´åã«ã¯ãã¡ã¤ã³ã®å¥åãã¡ã¤ã«ä¸ã§ãã®
              ãã©ã°ãã使ç¨ãã¾ãããã®å ´åãã¤ã³ã¯ã«ã¼ããããããããã¡ã¤ã«ã¯ã`#pragma
              interface' ã使ç¨ãã¦ããªããã°ãªãã¾ãããã¤ã³ã©ã¤ã³é¢æ°ã®ããã¯ã¢ããæå ±ã
              ãããã°æå ±ãä»®æ³é¢æ°å®ç¾ç¨ã®åé¨ãã¼ãã«ã¯ãå¨ã¦ã¤ã³ããªã¡ã³ãã¼ã·ã§ã³
              ãã¡ã¤ã«ä¸ã«çæããã¾ãã

              `#pragma implementation'
              ããå¼æ°ãã¤ããã«ä½¿ç¨ããå ´åã¯ãããã¯ãã®ã½ã¼ã¹ãã¡ã¤ã«ã¨åã
              ãã¼ã¹ãã¼ã (basename)ãæã¤ãã¡ã¤ã«ã«å¯¾ãã¦é©ç¨ããã¾ããä¾ãã°ã`allclass.cc'
              ä¸ã® `#pragma implementation' ã¯ã`#pragma implementation
              “allclass.h” ' ã¨ç価ã§ããããè¤æ°ã®ããããã¡ã¤ã«ã«å¯¾ãã¦ã 1
              ã¤ã®ã¤ã³ããªã¡ã³ãã¼ã·ã§ã³ãã¡ã¤ã«ã対å¿ããããå ´åã¯ã æå‐
              åã®å¼æ°ã使ç¨ããå¿è¦ãããã¾ãã

              1 ã¤ã®ããããã¡ã¤ã«ã«å¯¾ãã¦ãè¤æ°ã®ã¤ã³ããªã¡ã³ãã¼ã·ã§ã³ãã¡ã¤ã«ã対
              å¿ãããæ¹æ³ã¯ããã¾ããã

é¢é£ãã¡ã¤ã«
       file.c             C è¨èªã½ã¼ã¹ãã¡ã¤ã«
       file.h             C è¨èªããã (ããªããã»ããµ) ãã¡ã¤ã«
       file.i             ããªããã»ã¹æ¸ã¿ã® C è¨èªã½ã¼ã¹ãã¡ã¤ã«
       file.C             C++ ã½ã¼ã¹ãã¡ã¤ã«
       file.cc            C++ ã½ã¼ã¹ãã¡ã¤ã«
       file.cxx           C++ ã½ã¼ã¹ãã¡ã¤ã«
       file.m             Objective-C ã½ã¼ã¹ãã¡ã¤ã«
       file.s             ã¢ã»ã³ããªè¨èªãã¡ã¤ã«
       file.o             ãªãã¸ã§ã¯ããã¡ã¤ã«
       a.out              ãªã³ã¯ã¨ãã£ããæ¸ã¿ã®åºå
       TMPDIR/cc∗         ä¸æãã¡ã¤ã«ç¾¤
       LIBDIR/cpp         ããªããã»ããµ
       LIBDIR/cc1         C è¨èªã³ã³ãã¤ã©
       LIBDIR/cc1plus     C++ ã³ã³ãã¤ã©
       LIBDIR/collect     ããã¤ãã®ãã·ã³ã§å¿è¦ã¨ãªããªã³ã«ã®ããã³ãã¨ã³ã
       LIBDIR/libgcc.a    GCC ãµãã«ã¼ãã³ã©ã¤ãã©ãª
       /lib/crt[01n].o    ã¹ã¿ã¼ãã¢ããã«ã¼ãã³
       LIBDIR/ccrt0       C++ ç¨ã®ä»å çãªã¹ã¿ã¼ãã¢ããã«ã¼ãã³
       /lib/libc.a        æ¨æºã©ã¤ãã©ãªãintro(3)ãåç§
       /usr/include       #include ãã¡ã¤ã«ã®ããã®æ¨æºãã£ã¬ã¯ããª
       LIBDIR/include     #include ãã¡ã¤ã«ã®ããã® GCC æ¨æºãã£ã¬ã¯ããª
       LIBDIR/g++-include #include ãã¡ã¤ã«ã®ããã®ä»å ç㪠g++ ãã£ã¬ã¯ããª

       LIBDIR ã¯é常 /usr/local/lib/machine/version ã®å½¢å¼ãæã¡ã¾ã
       TMPDIR ã¯ç°å¢å¤æ° TMPDIR (ãã使ç¨å¯è½ãªãã° /usr/tmp ããããã§ãªããã° /tmp
       ã使ç¨ãã¾ã) ããã¨ããã¾ãã

é¢é£é ç®
       as(1), cpp(1), gdb(1), ld(1)
       info ä¸ã® `gcc', `cpp', `as', `ld', `gdb'  ã¨ã³ããª
       Using and Porting GNU CC (for version 2.0), Richard M. Stallman; The C
       Preprocessor, Richard M. Stallman; Debugging with GDB: the GNU Source-
       Level Debugger, Richard M. Stallman and Roland H. Pesch; Using as: the
       GNU Assembler, Dean Elsner, Jay Fenlason & friends; ld: the GNU linker,
       Steve Chamberlain and Roland Pesch.

ãã°
       ãã°ãå ±åããæ¹æ³ã«ã¤ãã¦ã¯ãGCC ããã¥ã¢ã«ãåç§ãã¦ãã ããã

COPYING
       Copyright 1991, 1992, 1993 Free Software Foundation, Inc.

       Permission is granted to make and distribute verbatim copies of this
       manual provided the copyright notice and this permission notice are
       preserved on all copies.

       Permission is granted to copy and distribute modified versions of this
       manual under the conditions for verbatim copying, provided that the
       entire resulting derived work is distributed under the terms of a
       permission notice identical to this one.

       Permission is granted to copy and distribute translations of this
       manual into another language, under the above conditions for modified
       versions, except that this permission notice may be included in
       translations approved by the Free Software Foundation instead of in the
       original English.

ä½è
       GNU CC ã«å¯¾ãã¦è²¢ç®ãã人ãã«é¢ãã¦ã¯ãGNU CC ããã¥ã¢ã«ãåç§ãã¦ãã ããã

æ¥æ¬èªè¨³
       ç´°å· éå·±(hosokawa@mt.cs.keio.ac.jp): NetBSD ç¨ã«ç¿»è¨³
       sakai@csl.cl.nec.co.jp, h-nokubi@nmit.mt.nec.co.jp,
       kumano@strl.nhk.or.jp, horikawa@isrd.hitachi.co.jp: FreeBSD åãã«ä¿®æ£,
       æ»é²



GNU Tools                         1998/12/16                            GCC(1)