mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-12-28 14:22:50 +03:00
126 lines
3.3 KiB
Bash
126 lines
3.3 KiB
Bash
#! @shell@ -e
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if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
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source "$NIX_GCC_WRAPPER_START_HOOK"
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fi
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if test -z "$NIX_GLIBC_FLAGS_SET"; then
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source @out@/nix-support/add-flags
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fi
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source @out@/nix-support/utils
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# Figure out if linker flags should be passed. GCC prints annoying
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# warnings when they are not needed.
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dontLink=0
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if test "$*" = "-v" -o -z "$*"; then
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dontLink=1
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else
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for i in "$@"; do
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if test "$i" = "-c"; then
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dontLink=1
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elif test "$i" = "-S"; then
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dontLink=1
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elif test "$i" = "-E"; then
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dontLink=1
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elif test "$i" = "-E"; then
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dontLink=1
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elif test "$i" = "-M"; then
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dontLink=1
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elif test "$i" = "-MM"; then
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dontLink=1
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fi
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done
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fi
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# Optionally filter out paths not refering to the store.
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params=("$@")
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if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE"; then
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rest=()
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n=0
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while test $n -lt ${#params[*]}; do
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p=${params[n]}
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p2=${params[$((n+1))]}
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if test "${p:0:3}" = "-L/" && badPath "${p:2}"; then
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skip $p
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elif test "$p" = "-L" && badPath "$p2"; then
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n=$((n + 1)); skip $p2
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elif test "${p:0:3}" = "-I/" && badPath "${p:2}"; then
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skip $p
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elif test "$p" = "-I" && badPath "$p2"; then
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n=$((n + 1)); skip $p2
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elif test "$p" = "-isystem" && badPath "$p2"; then
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n=$((n + 1)); skip $p2
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else
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rest=("${rest[@]}" "$p")
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fi
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n=$((n + 1))
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done
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params=("${rest[@]}")
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fi
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# Add the flags for the C compiler proper.
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extraAfter=($NIX_CFLAGS_COMPILE)
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extraBefore=()
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if test "$dontLink" != "1"; then
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# Add the flags that should only be passed to the compiler when
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# linking.
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extraAfter=(${extraAfter[@]} $NIX_CFLAGS_LINK)
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# Add the flags that should be passed to the linker (and prevent
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# `ld-wrapper' from adding NIX_LDFLAGS again).
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for i in $NIX_LDFLAGS_BEFORE; do
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extraBefore=(${extraBefore[@]} "-Wl,$i")
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done
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for i in $NIX_LDFLAGS; do
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if test "${i:0:3}" = "-L/"; then
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extraAfter=(${extraAfter[@]} "$i")
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else
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extraAfter=(${extraAfter[@]} "-Wl,$i")
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fi
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done
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export NIX_LDFLAGS_SET=1
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if test "$NIX_STRIP_DEBUG" = "1"; then
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# Add executable-stripping flags.
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extraAfter=(${extraAfter[@]} $NIX_CFLAGS_STRIP)
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fi
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fi
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# Optionally print debug info.
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if test "$NIX_DEBUG" = "1"; then
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echo "original flags to @gccProg@:" >&2
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for i in "${params[@]}"; do
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echo " $i" >&2
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done
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echo "extraBefore flags to @gccProg@:" >&2
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for i in ${extraBefore[@]}; do
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echo " $i" >&2
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done
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echo "extraAfter flags to @gccProg@:" >&2
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for i in ${extraAfter[@]}; do
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echo " $i" >&2
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done
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fi
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if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
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source "$NIX_GCC_WRAPPER_EXEC_HOOK"
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fi
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# Call the real `gcc'. Filter out warnings from stderr about unused
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# `-B' flags, since they confuse some programs. Deep bash magic to
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# apply grep to stderr (by swapping stdin/stderr twice).
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if test -z "$NIX_GCC_NEEDS_GREP"; then
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@gccProg@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]}
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else
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(@gccProg@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]} 3>&2 2>&1 1>&3- \
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| (grep -v 'file path prefix' || true); exit ${PIPESTATUS[0]}) 3>&2 2>&1 1>&3-
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exit $?
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fi
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