mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-18 19:26:02 +00:00
ab15a62c68
Beware that stdenv doesn't build. It seems something more will be needed than just resolution of merge conflicts.
123 lines
3.1 KiB
Bash
123 lines
3.1 KiB
Bash
#! @shell@ -e
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path_backup="$PATH"
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if [ -n "@coreutils_bin@" ]; then
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PATH="@coreutils_bin@/bin"
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fi
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if [ -n "$NIX_GNAT_WRAPPER_START_HOOK" ]; then
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source "$NIX_GNAT_WRAPPER_START_HOOK"
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fi
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if [ -z "$NIX_GNAT_WRAPPER_FLAGS_SET" ]; then
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source @out@/nix-support/add-flags.sh
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fi
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source @out@/nix-support/utils.sh
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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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getVersion=0
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nonFlagArgs=0
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for i in "$@"; do
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if [ "$i" = -c ]; then
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dontLink=1
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elif [ "$i" = -M ]; then
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dontLink=1
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elif [ "${i:0:1}" != - ]; then
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nonFlagArgs=1
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elif [ "$i" = -m32 ]; then
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if [ -e @out@/nix-support/dynamic-linker-m32 ]; then
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NIX_LDFLAGS="$NIX_LDFLAGS -dynamic-linker $(cat @out@/nix-support/dynamic-linker-m32)"
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fi
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fi
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done
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# If we pass a flag like -Wl, then gcc will call the linker unless it
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# can figure out that it has to do something else (e.g., because of a
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# "-c" flag). So if no non-flag arguments are given, don't pass any
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# linker flags. This catches cases like "gcc" (should just print
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# "gcc: no input files") and "gcc -v" (should print the version).
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if [ "$nonFlagArgs" = 0 ]; then
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dontLink=1
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fi
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# Optionally filter out paths not refering to the store.
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params=("$@")
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if [ "$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 [ $n -lt ${#params[*]} ]; do
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p=${params[n]}
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p2=${params[$((n+1))]}
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if [ "${p:0:3}" = -L/ ] && badPath "${p:2}"; then
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skip $p
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elif [ "${p:0:3}" = -I/ ] && badPath "${p:2}"; then
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skip $p
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elif [ "${p:0:4}" = -aI/ ] && badPath "${p:3}"; then
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skip $p
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elif [ "${p:0:4}" = -aO/ ] && badPath "${p:3}"; then
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skip $p
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else
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rest+=("$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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# Clear march/mtune=native -- they bring impurity.
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if [ "$NIX_ENFORCE_NO_NATIVE" = 1 ]; then
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rest=()
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for i in "${params[@]}"; do
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if [[ "$i" = -m*=native ]]; then
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skip $i
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else
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rest+=("$i")
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fi
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done
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params=("${rest[@]}")
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fi
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# Add the flags for the GNAT compiler proper.
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extraAfter=($NIX_GNATFLAGS_COMPILE)
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extraBefore=()
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if [ "`basename $0`x" = "gnatmakex" ]; then
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extraBefore=("--GNATBIND=@out@/bin/gnatbind --GNATLINK=@out@/bin/gnatlink ")
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fi
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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[@]} "-largs $i")
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#done
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# Optionally print debug info.
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if [ -n "$NIX_DEBUG" ]; then
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echo "original flags to @prog@:" >&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 @prog@:" >&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 @prog@:" >&2
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for i in ${extraAfter[@]}; do
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echo " $i" >&2
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done
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fi
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if [ -n "$NIX_GNAT_WRAPPER_EXEC_HOOK" ]; then
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source "$NIX_GNAT_WRAPPER_EXEC_HOOK"
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fi
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PATH="$path_backup"
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exec @prog@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]}
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