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https://github.com/jart/cosmopolitan.git
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Initial import
This commit is contained in:
Justine Tunney
commit
c91b3c5006
14915 changed files with 590219 additions and 0 deletions
279
build/compile
Executable file
279
build/compile
Executable file
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@ -0,0 +1,279 @@
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#-*-mode:sh;indent-tabs-mode:nil;tab-width:2;coding:utf-8-*-┐
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#───vi: set net ft=sh ts=2 sts=2 fenc=utf-8 :vi─────────────┘
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#
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# OVERVIEW
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#
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# GNU/LLVM Compiler Frontend Frontend
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#
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# DESCRIPTION
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#
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# This wrapper script filters out certain flags so the compiler won't
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# whine, and passes extra information to the preprocessor.
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#
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# EXAMPLE
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#
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# build/compile cc -o program program.c
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if [ ! -d o/third_party/gcc ]; then
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third_party/gcc/unbundle.sh
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fi
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if [ "$1" = "clang-10" ]; then
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if ! command -v clang-10 >/dev/null; then
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shift
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set -- o/third_party/gcc/bin/x86_64-linux-musl-gcc "$@"
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fi
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fi
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if [ "$1" = "clang++-10" ]; then
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if ! command -v clang++-10 >/dev/null; then
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shift
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set -- o/third_party/gcc/bin/x86_64-linux-musl-g++ "$@"
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fi
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fi
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export LC_ALL=C
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MKDIR=${MKDIR:-$(command -v mkdir) -p} || exit
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GZME=
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PLAT="${1%% *}"
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FDIAGNOSTIC_COLOR=
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CCNAME=${CCNAME:-gcc}
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CCVERSION=${CCVERSION:-4}
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COUNTERMAND=
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# The GNU Compiler Collection passes a lot of CFLAGS to the preprocessor
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# (which we call CCFLAGS) but it should pass more; and we do just that.
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FIRST=1
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OUTARG=0
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INVISIBLE=0
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for x; do
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if [ $FIRST -eq 1 ]; then
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set --
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FIRST=0
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fi
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if [ $OUTARG -eq 1 ]; then
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OUTARG=0
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OUT="$x"
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fi
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case "$x" in
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-o)
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set -- "$@" "$x"
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OUTARG=1
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;;
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-w)
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set -- "$@" "$x" -D__W__
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;;
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-pg)
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if [ $INVISIBLE -eq 0 ]; then
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set -- "$@" "$x" -D__PG__ # @see libc/macros.h
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fi
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;;
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-mfentry)
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if [ $INVISIBLE -eq 0 ]; then
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set -- "$@" "$x" -D__MFENTRY__
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fi
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;;
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-fomit-frame-pointer)
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INVISIBLE=1
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set -- "$@" "$x"
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;;
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-mno-vzeroupper)
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set -- "$@" "$x" -Wa,-msse2avx -D__MNO_VZEROUPPER__
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;;
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-fsanitize=undefined)
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set -- "$@" "$x" -D__FSANITIZE_UNDEFINED__
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COUNTERMAND="$COUNTERMAND -fno-data-sections" # sqlite.o
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;;
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-mnop-mcount)
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if [ "$CCNAME" = "gcc" ] && [ "$CCVERSION" -ge 6 ]; then
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set -- "$@" "$x" -D__MNOP_MCOUNT__
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fi
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;;
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-mrecord-mcount)
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if [ "$CCNAME" = "gcc" ] && [ "$CCVERSION" -ge 6 ]; then
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set -- "$@" "$x" -D__MRECORD_MCOUNT__
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fi
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;;
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-fsanitize=implicit*integer*)
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if ! [ "$CCNAME" = "gcc" ]; then
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set -- "$@" "$x"
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fi
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;;
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-f*sanitize*|-gz*|-*stack-protector*|-fvect-cost*|-mstringop*)
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if [ "$CCNAME" = "gcc" ] && [ "$CCVERSION" -ge 6 ]; then
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set -- "$@" "$x"
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fi
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;;
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-freorder-blocks-and-partition|-fstack-clash-protection)
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if [ "$CCNAME" = "gcc" ] && [ "$CCVERSION" -ge 8 ]; then
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set -- "$@" "$x"
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fi
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;;
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-fdiagnostic-color=*)
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FDIAGNOSTIC_COLOR=$x
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;;
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-fopt-info*=*.optinfo)
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if [ "$CCNAME" = "gcc" ] && [ "$CCVERSION" -ge 9 ]; then
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GZME="$GZME ${x##*=}"
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set -- "$@" "$x"
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fi
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;;
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-R*) # e.g. clang's -Rpass-missed=all
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if [ "${PLAT#*clang}" != "${PLAT}" ]; then
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set -- "$@" "$x"
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fi
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;;
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-fsave-optimization-record) # clang only
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if [ "${PLAT#*clang}" != "${PLAT}" ]; then
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set -- "$@" "$x"
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fi
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;;
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*)
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set -- "$@" "$x"
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;;
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esac
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done
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if [ -z "$FDIAGNOSTIC_COLOR" ] && [ "$TERM" != "dumb" ]; then
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FDIAGNOSTIC_COLOR=-fdiagnostics-color=always
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fi
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if [ "${PLAT#*clang}" != "${PLAT}" ]; then
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FIRST=1
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for x; do
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# clang's assembler isn't complete yet
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if [ $FIRST -eq 1 ]; then
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set -- \
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"$x" \
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-fno-integrated-as \
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-Wno-unused-command-line-argument \
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-Wno-incompatible-pointer-types-discards-qualifiers
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FIRST=0
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continue
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fi
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# removes flags clang whines about
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case "$x" in
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-gstabs) ;;
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-ffixed-*) ;;
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-fcall-saved*) ;;
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-fsignaling-nans) ;;
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-fcx-limited-range) ;;
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-fno-fp-int-builtin-inexact) ;;
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-Wno-unused-but-set-variable) ;;
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-Wunsafe-loop-optimizations) ;;
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-ftracer) ;;
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-frounding-math) ;;
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-fmerge-constants) ;;
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-fmodulo-sched) ;;
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-msse2avx)
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set -- "$@" -Wa,-msse2avx
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;;
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-fopt-info-vec) ;;
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-fopt-info-vec-missed) ;;
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-fmodulo-sched-allow-regmoves) ;;
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-fgcse-*) ;;
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-freschedule-modulo-scheduled-loops) ;;
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-freschedule-modulo-scheduled-loops) ;;
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-fipa-pta) ;;
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-fsched2-use-superblocks) ;;
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-fbranch-target-load-optimize) ;;
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-fdelete-dead-exceptions) ;;
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-funsafe-loop-optimizations) ;;
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-fcall-used*) ;;
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-mmitigate-rop) ;;
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-mnop-mcount) ;;
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-fno-align-jumps) ;;
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-fno-align-labels) ;;
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-fno-align-loops) ;;
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-fivopts) ;;
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-fschedule-insns) ;;
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-fno-semantic-interposition) ;;
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-mno-fentry) ;;
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-f*schedule-insns2) ;;
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-fvect-cost-model=*) ;;
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-fsimd-cost-model=*) ;;
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-fversion-loops-for-strides) ;;
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-fopt-info*) ;;
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-f*var-tracking-assignments) ;;
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-femit-struct-debug-baseonly) ;;
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-ftree-loop-vectorize) ;;
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-gdescribe-dies) ;;
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-flimit-function-alignment) ;;
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-ftree-loop-im) ;;
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-fno-instrument-functions) ;;
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-fstack-clash-protection) ;;
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-mstringop-strategy=*) ;;
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-mpreferred-stack-boundary=*) ;;
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-*stack-protector*) ;; # clang requires segmented memory for this
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-f*gnu-unique) ;;
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-Wframe-larger-than=*) ;;
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-f*whole-program) ;;
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-Wa,--size-check=*) ;;
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-Wa,--listing*) ;;
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-mfpmath=sse+387) ;;
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-Wa,--noexecstack) ;;
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-freg-struct-return) ;;
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-mcall-ms2sysv-xlogues) ;;
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-mno-vzeroupper)
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set -- "$@" -mllvm -x86-use-vzeroupper=0
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;;
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-Wa,-a*)
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x="${x#*=}"
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if [ "$x" ] && [ -p "$x" ]; then
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printf '' >"$x"
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fi
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;;
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*)
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set -- "$@" "$x"
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;;
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esac
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done
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else
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# removes flags only clang supports
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FIRST=1
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for x; do
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if [ $FIRST -eq 1 ]; then
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set --
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FIRST=0
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fi
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case "$x" in
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-Oz) set -- "$@" -Os ;;
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*) set -- "$@" "$x" ;;
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esac
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done
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fi
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set -- "$@" -no-canonical-prefixes $FDIAGNOSTIC_COLOR $COUNTERMAND
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if [ "$SILENT" = "0" ]; then
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printf "%s\n" "$*" >&2
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else
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printf "$LOGFMT" "${ACTION:-COMPILE}" "${TARGET:-$OUT}" >&2
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fi
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OUTDIR="${OUT%/*}"
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if [ "$OUTDIR" != "$OUT" ] && [ ! -d "$OUTDIR" ]; then
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$MKDIR "$OUTDIR" || exit 2
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fi
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REASON=failed
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trap REASON=interrupted INT
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if "$@"; then
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for f in $GZME; do
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if GZ=${GZ:-$(command -v gzip)}; then
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if [ -f "$f" ]; then
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build/actuallynice $GZ $ZFLAGS -qf $f &
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fi
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fi
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done
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exit 0
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fi
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if [ "$TERM" = "dumb" ]; then
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f='%s %s\r\n\r\n'
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else
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f='\033[91m%s\033[39m \033[94m%s\033[39m\r\n\r\n'
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fi
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printf "$f" "$CCNAME $CCVERSION: compile $REASON:" "$*" >&2
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exit 1
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