diff options
Diffstat (limited to 'pkgs/build-support/cc-wrapper/gnat-wrapper.sh')
| -rw-r--r-- | pkgs/build-support/cc-wrapper/gnat-wrapper.sh | 104 |
1 files changed, 54 insertions, 50 deletions
diff --git a/pkgs/build-support/cc-wrapper/gnat-wrapper.sh b/pkgs/build-support/cc-wrapper/gnat-wrapper.sh index 0d74527dd8ad..b15f1e461e5f 100644 --- a/pkgs/build-support/cc-wrapper/gnat-wrapper.sh +++ b/pkgs/build-support/cc-wrapper/gnat-wrapper.sh @@ -1,14 +1,23 @@ -#! @shell@ -e -path_backup="$PATH" -if [ -n "@coreutils_bin@" ]; then - PATH="@coreutils_bin@/bin" +#! @shell@ +set -eu -o pipefail +shopt -s nullglob + +if (( "${NIX_DEBUG:-0}" >= 7 )); then + set -x fi -if [ -n "$NIX_GNAT_WRAPPER_START_HOOK" ]; then - source "$NIX_GNAT_WRAPPER_START_HOOK" +# N.B. Gnat is not used during bootstrapping, so we don't need to +# worry about the old bash empty array `set -u` workarounds. + +path_backup="$PATH" + +# phase separation makes this look useless +# shellcheck disable=SC2157 +if [ -n "@coreutils_bin@" ]; then + PATH="@coreutils_bin@/bin" fi -if [ -z "$NIX_GNAT_WRAPPER_FLAGS_SET" ]; then +if [ -z "${NIX_@infixSalt@_GNAT_WRAPPER_FLAGS_SET:-}" ]; then source @out@/nix-support/add-flags.sh fi @@ -18,7 +27,6 @@ source @out@/nix-support/utils.sh # Figure out if linker flags should be passed. GCC prints annoying # warnings when they are not needed. dontLink=0 -getVersion=0 nonFlagArgs=0 for i in "$@"; do @@ -30,7 +38,7 @@ for i in "$@"; do nonFlagArgs=1 elif [ "$i" = -m32 ]; then if [ -e @out@/nix-support/dynamic-linker-m32 ]; then - NIX_LDFLAGS="$NIX_LDFLAGS -dynamic-linker $(cat @out@/nix-support/dynamic-linker-m32)" + NIX_@infixSalt@_LDFLAGS+=" -dynamic-linker $(< @out@/nix-support/dynamic-linker-m32)" fi fi done @@ -47,37 +55,33 @@ fi # Optionally filter out paths not refering to the store. params=("$@") -if [ "$NIX_ENFORCE_PURITY" = 1 -a -n "$NIX_STORE" ]; then +if [[ "${NIX_ENFORCE_PURITY:-}" = 1 && -n "$NIX_STORE" ]]; then rest=() - n=0 - while [ $n -lt ${#params[*]} ]; do - p=${params[n]} - p2=${params[$((n+1))]} + for p in "${params[@]}"; do if [ "${p:0:3}" = -L/ ] && badPath "${p:2}"; then - skip $p + skip "${p:2}" elif [ "${p:0:3}" = -I/ ] && badPath "${p:2}"; then - skip $p + skip "${p:2}" elif [ "${p:0:4}" = -aI/ ] && badPath "${p:3}"; then - skip $p + skip "${p:2}" elif [ "${p:0:4}" = -aO/ ] && badPath "${p:3}"; then - skip $p + skip "${p:2}" else rest+=("$p") fi - n=$((n + 1)) done params=("${rest[@]}") fi # Clear march/mtune=native -- they bring impurity. -if [ "$NIX_ENFORCE_NO_NATIVE" = 1 ]; then +if [ "$NIX_@infixSalt@_ENFORCE_NO_NATIVE" = 1 ]; then rest=() - for i in "${params[@]}"; do - if [[ "$i" = -m*=native ]]; then - skip $i + for p in "${params[@]}"; do + if [[ "$p" = -m*=native ]]; then + skip "$p" else - rest+=("$i") + rest+=("$p") fi done params=("${rest[@]}") @@ -85,38 +89,38 @@ fi # Add the flags for the GNAT compiler proper. -extraAfter=($NIX_GNATFLAGS_COMPILE) +extraAfter=($NIX_@infixSalt@_GNATFLAGS_COMPILE) extraBefore=() -if [ "`basename $0`x" = "gnatmakex" ]; then - extraBefore=("--GNATBIND=@out@/bin/gnatbind --GNATLINK=@out@/bin/gnatlink ") +if [ "$(basename "$0")x" = "gnatmakex" ]; then + extraBefore=("--GNATBIND=@out@/bin/gnatbind" "--GNATLINK=@out@/bin/gnatlink ") fi -# Add the flags that should be passed to the linker (and prevent -# `ld-wrapper' from adding NIX_LDFLAGS again). -#for i in $NIX_LDFLAGS_BEFORE; do -# extraBefore=(${extraBefore[@]} "-largs $i") -#done +#if [ "$dontLink" != 1 ]; then +# # Add the flags that should be passed to the linker (and prevent +# # `ld-wrapper' from adding NIX_@infixSalt@_LDFLAGS again). +# for i in $NIX_@infixSalt@_LDFLAGS_BEFORE; do +# extraBefore+=("-largs" "$i") +# done +# for i in $NIX_@infixSalt@_LDFLAGS; do +# if [ "${i:0:3}" = -L/ ]; then +# extraAfter+=("$i") +# else +# extraAfter+=("-largs" "$i") +# fi +# done +# export NIX_@infixSalt@_LDFLAGS_SET=1 +#fi # Optionally print debug info. -if [ -n "$NIX_DEBUG" ]; then - echo "original flags to @prog@:" >&2 - for i in "${params[@]}"; do - echo " $i" >&2 - done - echo "extraBefore flags to @prog@:" >&2 - for i in ${extraBefore[@]}; do - echo " $i" >&2 - done - echo "extraAfter flags to @prog@:" >&2 - for i in ${extraAfter[@]}; do - echo " $i" >&2 - done -fi - -if [ -n "$NIX_GNAT_WRAPPER_EXEC_HOOK" ]; then - source "$NIX_GNAT_WRAPPER_EXEC_HOOK" +if (( "${NIX_DEBUG:-0}" >= 1 )); 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" "${extraAfter[@]}" >&2 fi PATH="$path_backup" -exec @prog@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]} +exec @prog@ "${extraBefore[@]}" "${params[@]}" "${extraAfter[@]}" |