Partially merge gcc-wrapper and clang-wrapper
Having a separate clang-wrapper is really unfortunate because it
means that we'll forever forget to apply changes to both (e.g.
commit 289895fe2c). This commit
gets rid of the redundant copies of ld-wrapper.sh and utils.sh.
This commit is contained in:
Eelco Dolstra
parent
fd1a5d8531
commit
a4f9b9c8b5
@ -21,4 +21,4 @@ if test -e @out@/nix-support/libc-ldflags-before; then
|
||||
export NIX_LDFLAGS_BEFORE="$(cat @out@/nix-support/libc-ldflags-before) $NIX_LDFLAGS_BEFORE"
|
||||
fi
|
||||
|
||||
export NIX_CLANG_WRAPPER_FLAGS_SET=1
|
||||
export NIX_GCC_WRAPPER_FLAGS_SET=1
|
||||
|
||||
@ -1,10 +1,10 @@
|
||||
#! @shell@ -e
|
||||
|
||||
if test -n "$NIX_CLANG_WRAPPER_START_HOOK"; then
|
||||
source "$NIX_CLANG_WRAPPER_START_HOOK"
|
||||
if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
|
||||
source "$NIX_GCC_WRAPPER_START_HOOK"
|
||||
fi
|
||||
|
||||
if test -z "$NIX_CLANG_WRAPPER_FLAGS_SET"; then
|
||||
if test -z "$NIX_GCC_WRAPPER_FLAGS_SET"; then
|
||||
source @out@/nix-support/add-flags.sh
|
||||
fi
|
||||
|
||||
|
||||
@ -29,8 +29,8 @@ stdenv.mkDerivation {
|
||||
builder = ./builder.sh;
|
||||
setupHook = ./setup-hook.sh;
|
||||
clangWrapper = ./clang-wrapper.sh;
|
||||
ldWrapper = ./ld-wrapper.sh;
|
||||
utils = ./utils.sh;
|
||||
ldWrapper = ../gcc-wrapper/ld-wrapper.sh;
|
||||
utils = ../gcc-wrapper/utils.sh;
|
||||
addFlags = ./add-flags;
|
||||
|
||||
inherit nativeTools nativeLibc nativePrefix clang clangVersion libcxx;
|
||||
|
||||
@ -1,164 +0,0 @@
|
||||
#! @shell@ -e
|
||||
|
||||
if test -n "$NIX_LD_WRAPPER_START_HOOK"; then
|
||||
source "$NIX_LD_WRAPPER_START_HOOK"
|
||||
fi
|
||||
|
||||
if test -z "$NIX_CLANG_WRAPPER_FLAGS_SET"; then
|
||||
source @out@/nix-support/add-flags.sh
|
||||
fi
|
||||
|
||||
source @out@/nix-support/utils.sh
|
||||
|
||||
|
||||
# Optionally filter out paths not refering to the store.
|
||||
params=("$@")
|
||||
if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE" \
|
||||
-a \( -z "$NIX_IGNORE_LD_THROUGH_CLANG" -o -z "$NIX_LDFLAGS_SET" \); then
|
||||
rest=()
|
||||
n=0
|
||||
while test $n -lt ${#params[*]}; do
|
||||
p=${params[n]}
|
||||
p2=${params[$((n+1))]}
|
||||
if test "${p:0:3}" = "-L/" && badPath "${p:2}"; then
|
||||
skip $p
|
||||
elif test "$p" = "-L" && badPath "$p2"; then
|
||||
n=$((n + 1)); skip $p2
|
||||
elif test "$p" = "-rpath" && badPath "$p2"; then
|
||||
n=$((n + 1)); skip $p2
|
||||
elif test "$p" = "-dynamic-linker" && badPath "$p2"; then
|
||||
n=$((n + 1)); skip $p2
|
||||
elif test "${p:0:1}" = "/" && badPath "$p"; then
|
||||
# We cannot skip this; barf.
|
||||
echo "impure path \`$p' used in link" >&2
|
||||
exit 1
|
||||
elif test "${p:0:9}" = "--sysroot"; then
|
||||
# Our ld is not built with sysroot support (Can we fix that?)
|
||||
:
|
||||
else
|
||||
rest=("${rest[@]}" "$p")
|
||||
fi
|
||||
n=$((n + 1))
|
||||
done
|
||||
params=("${rest[@]}")
|
||||
fi
|
||||
|
||||
|
||||
extra=()
|
||||
extraBefore=()
|
||||
|
||||
if test -z "$NIX_LDFLAGS_SET"; then
|
||||
extra+=($NIX_LDFLAGS $NIX_LDFLAGS_AFTER)
|
||||
extraBefore+=($NIX_LDFLAGS_BEFORE)
|
||||
fi
|
||||
|
||||
|
||||
# Add all used dynamic libraries to the rpath.
|
||||
if test "$NIX_DONT_SET_RPATH" != "1"; then
|
||||
|
||||
libPath=""
|
||||
addToLibPath() {
|
||||
local path="$1"
|
||||
if test "${path:0:1}" != "/"; then return 0; fi
|
||||
case "$path" in
|
||||
*..*|*./*|*/.*|*//*)
|
||||
local path2
|
||||
if path2=$(readlink -f "$path"); then
|
||||
path="$path2"
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
case $libPath in
|
||||
*\ $path\ *) return 0 ;;
|
||||
esac
|
||||
libPath="$libPath $path "
|
||||
}
|
||||
|
||||
addToRPath() {
|
||||
# If the path is not in the store, don't add it to the rpath.
|
||||
# This typically happens for libraries in /tmp that are later
|
||||
# copied to $out/lib. If not, we're screwed.
|
||||
if test "${1:0:${#NIX_STORE}}" != "$NIX_STORE"; then return 0; fi
|
||||
case $rpath in
|
||||
*\ $1\ *) return 0 ;;
|
||||
esac
|
||||
rpath="$rpath $1 "
|
||||
}
|
||||
|
||||
libs=""
|
||||
addToLibs() {
|
||||
libs="$libs $1"
|
||||
}
|
||||
|
||||
rpath=""
|
||||
|
||||
# First, find all -L... switches.
|
||||
allParams=("${params[@]}" ${extra[@]})
|
||||
n=0
|
||||
while test $n -lt ${#allParams[*]}; do
|
||||
p=${allParams[n]}
|
||||
p2=${allParams[$((n+1))]}
|
||||
if test "${p:0:3}" = "-L/"; then
|
||||
addToLibPath ${p:2}
|
||||
elif test "$p" = "-L"; then
|
||||
addToLibPath ${p2}
|
||||
n=$((n + 1))
|
||||
elif test "$p" = "-l"; then
|
||||
addToLibs ${p2}
|
||||
n=$((n + 1))
|
||||
elif test "${p:0:2}" = "-l"; then
|
||||
addToLibs ${p:2}
|
||||
elif test "$p" = "-dynamic-linker"; then
|
||||
# Ignore the dynamic linker argument, or it
|
||||
# will get into the next 'elif'. We don't want
|
||||
# the dynamic linker path rpath to go always first.
|
||||
n=$((n + 1))
|
||||
elif [[ "$p" =~ ^[^-].*\.so($|\.) ]]; then
|
||||
# This is a direct reference to a shared library, so add
|
||||
# its directory to the rpath.
|
||||
path="$(dirname "$p")";
|
||||
addToRPath "${path}"
|
||||
fi
|
||||
n=$((n + 1))
|
||||
done
|
||||
|
||||
# Second, for each directory in the library search path (-L...),
|
||||
# see if it contains a dynamic library used by a -l... flag. If
|
||||
# so, add the directory to the rpath.
|
||||
# It's important to add the rpath in the order of -L..., so
|
||||
# the link time chosen objects will be those of runtime linking.
|
||||
|
||||
for i in $libPath; do
|
||||
for j in $libs; do
|
||||
if test -f "$i/lib$j.so"; then
|
||||
addToRPath $i
|
||||
break
|
||||
fi
|
||||
done
|
||||
done
|
||||
|
||||
|
||||
# Finally, add `-rpath' switches.
|
||||
for i in $rpath; do
|
||||
extra=(${extra[@]} -rpath $i)
|
||||
done
|
||||
fi
|
||||
|
||||
|
||||
# Optionally print debug info.
|
||||
if test "$NIX_DEBUG" = "1"; then
|
||||
echo "original flags to @ld@:" >&2
|
||||
for i in "${params[@]}"; do
|
||||
echo " $i" >&2
|
||||
done
|
||||
echo "extra flags to @ld@:" >&2
|
||||
for i in ${extra[@]}; do
|
||||
echo " $i" >&2
|
||||
done
|
||||
fi
|
||||
|
||||
if test -n "$NIX_LD_WRAPPER_EXEC_HOOK"; then
|
||||
source "$NIX_LD_WRAPPER_EXEC_HOOK"
|
||||
fi
|
||||
|
||||
exec @ld@ ${extraBefore[@]} "${params[@]}" ${extra[@]}
|
||||
@ -1,24 +0,0 @@
|
||||
skip () {
|
||||
if test "$NIX_DEBUG" = "1"; then
|
||||
echo "skipping impure path $1" >&2
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# Checks whether a path is impure. E.g., `/lib/foo.so' is impure, but
|
||||
# `/nix/store/.../lib/foo.so' isn't.
|
||||
badPath() {
|
||||
local p=$1
|
||||
|
||||
# Relative paths are okay (since they're presumably relative to
|
||||
# the temporary build directory).
|
||||
if test "${p:0:1}" != "/"; then return 1; fi
|
||||
|
||||
# Otherwise, the path should refer to the store or some temporary
|
||||
# directory (including the build directory).
|
||||
test \
|
||||
"$p" != "/dev/null" -a \
|
||||
"${p:0:${#NIX_STORE}}" != "$NIX_STORE" -a \
|
||||
"${p:0:4}" != "/tmp" -a \
|
||||
"${p:0:${#NIX_BUILD_TOP}}" != "$NIX_BUILD_TOP"
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user