#! @shell@ set -e -o pipefail shopt -s nullglob path_backup="$PATH" # phase separation makes this look useless # shellcheck disable=SC2157 if [ -n "@coreutils_bin@" ]; then PATH="@coreutils_bin@/bin" fi if [ -n "$NIX_GNAT_WRAPPER_START_HOOK" ]; then source "$NIX_GNAT_WRAPPER_START_HOOK" fi if [ -z "$NIX_GNAT_WRAPPER_FLAGS_SET" ]; then source @out@/nix-support/add-flags.sh fi source @out@/nix-support/utils.sh # Figure out if linker flags should be passed. GCC prints annoying # warnings when they are not needed. dontLink=0 nonFlagArgs=0 for i in "$@"; do if [ "$i" = -c ]; then dontLink=1 elif [ "$i" = -M ]; then dontLink=1 elif [ "${i:0:1}" != - ]; then nonFlagArgs=1 elif [ "$i" = -m32 ]; then if [ -e @out@/nix-support/dynamic-linker-m32 ]; then NIX_LDFLAGS+=" -dynamic-linker $(< @out@/nix-support/dynamic-linker-m32)" fi fi done # If we pass a flag like -Wl, then gcc will call the linker unless it # can figure out that it has to do something else (e.g., because of a # "-c" flag). So if no non-flag arguments are given, don't pass any # linker flags. This catches cases like "gcc" (should just print # "gcc: no input files") and "gcc -v" (should print the version). if [ "$nonFlagArgs" = 0 ]; then dontLink=1 fi # Optionally filter out paths not refering to the store. params=("$@") if [[ "$NIX_ENFORCE_PURITY" = 1 && -n "$NIX_STORE" ]]; then rest=() for p in "${params[@]}"; do if [ "${p:0:3}" = -L/ ] && badPath "${p:2}"; then skip "${p:2}" elif [ "${p:0:3}" = -I/ ] && badPath "${p:2}"; then skip "${p:2}" elif [ "${p:0:4}" = -aI/ ] && badPath "${p:3}"; then skip "${p:2}" elif [ "${p:0:4}" = -aO/ ] && badPath "${p:3}"; then skip "${p:2}" else rest+=("$p") fi done params=("${rest[@]}") fi # Clear march/mtune=native -- they bring impurity. if [ "$NIX_ENFORCE_NO_NATIVE" = 1 ]; then rest=() for p in "${params[@]}"; do if [[ "$p" = -m*=native ]]; then skip "$p" else rest+=("$p") fi done params=("${rest[@]}") fi # Add the flags for the GNAT compiler proper. extraAfter=($NIX_GNATFLAGS_COMPILE) extraBefore=() if [ "$(basename "$0")x" = "gnatmakex" ]; then extraBefore=("--GNATBIND=@out@/bin/gnatbind" "--GNATLINK=@out@/bin/gnatlink ") fi #if [ "$dontLink" != 1 ]; then # # Add the flags that should be passed to the linker (and prevent # # `ld-wrapper' from adding NIX_LDFLAGS again). # for i in $NIX_LDFLAGS_BEFORE; do # extraBefore+=("-largs" "$i") # done # for i in $NIX_LDFLAGS; do # if [ "${i:0:3}" = -L/ ]; then # extraAfter+=("$i") # else # extraAfter+=("-largs" "$i") # fi # done # export NIX_LDFLAGS_SET=1 #fi # Optionally print debug info. if [ -n "$NIX_DEBUG" ]; then echo "extra flags before to @prog@:" >&2 printf " %q\n" "${extraBefore[@]}" >&2 echo "original flags to @prog@:" >&2 printf " %q\n" "${params[@]}" >&2 echo "extra flags after to @prog@:" >&2 printf " %q\n" "${extraAfter[@]}" >&2 fi if [ -n "$NIX_GNAT_WRAPPER_EXEC_HOOK" ]; then source "$NIX_GNAT_WRAPPER_EXEC_HOOK" fi PATH="$path_backup" exec @prog@ "${extraBefore[@]}" "${params[@]}" "${extraAfter[@]}"