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nixpkgs/pkgs/development/tools/build-managers/cmake/setup-hook.sh
Thomas Tuegel d5d4606190 Revert "cmake: use supplied RPATH instead of guessing"
This reverts commit 8ec5adc953.

This broke stdenv on Darwin, see #15881. A Darwin user will need to fix
the problem and un-revert. This commit causes CMake to use the same
RPATH settings as the compiler, so it is obviously correct.
2016-05-31 16:30:15 -05:00

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addCMakeParams() {
addToSearchPath CMAKE_PREFIX_PATH $1
}
fixCmakeFiles() {
# Replace occurences of /usr and /opt by /var/empty.
echo "fixing cmake files..."
find "$1" \( -type f -name "*.cmake" -o -name "*.cmake.in" -o -name CMakeLists.txt \) -print |
while read fn; do
sed -e 's^/usr\([ /]\|$\)^/var/empty\1^g' -e 's^/opt\([ /]\|$\)^/var/empty\1^g' < "$fn" > "$fn.tmp"
mv "$fn.tmp" "$fn"
done
}
cmakeConfigurePhase() {
runHook preConfigure
if [ -z "$dontFixCmake" ]; then
fixCmakeFiles .
fi
if [ -z "$dontUseCmakeBuildDir" ]; then
mkdir -p build
cd build
cmakeDir=..
fi
if [ -z "$dontAddPrefix" ]; then
cmakeFlags="-DCMAKE_INSTALL_PREFIX=$prefix $cmakeFlags"
fi
if [ -n "$crossConfig" ]; then
# By now it supports linux builds only. We should set the proper
# CMAKE_SYSTEM_NAME otherwise.
# http://www.cmake.org/Wiki/CMake_Cross_Compiling
cmakeFlags="-DCMAKE_CXX_COMPILER=$crossConfig-g++ -DCMAKE_C_COMPILER=$crossConfig-gcc $cmakeFlags"
fi
# This installs shared libraries with a fully-specified install
# name. By default, cmake installs shared libraries with just the
# basename as the install name, which means that, on Darwin, they
# can only be found by an executable at runtime if the shared
# libraries are in a system path or in the same directory as the
# executable. This flag makes the shared library accessible from its
# nix/store directory.
cmakeFlags="-DCMAKE_INSTALL_NAME_DIR=$prefix/lib $cmakeFlags"
cmakeFlags="-DCMAKE_INSTALL_LIBDIR=${!outputLib}/lib $cmakeFlags"
cmakeFlags="-DCMAKE_INSTALL_INCLUDEDIR=${!outputDev}/include $cmakeFlags"
# Avoid cmake resetting the rpath of binaries, on make install
# And build always Release, to ensure optimisation flags
cmakeFlags="-DCMAKE_BUILD_TYPE=Release -DCMAKE_SKIP_BUILD_RPATH=ON $cmakeFlags"
echo "cmake flags: $cmakeFlags ${cmakeFlagsArray[@]}"
cmake ${cmakeDir:-.} $cmakeFlags "${cmakeFlagsArray[@]}"
runHook postConfigure
}
if [ -z "$dontUseCmakeConfigure" -a -z "$configurePhase" ]; then
setOutputFlags=
configurePhase=cmakeConfigurePhase
fi
if [ -n "$crossConfig" ]; then
crossEnvHooks+=(addCMakeParams)
else
envHooks+=(addCMakeParams)
fi
makeCmakeFindLibs(){
for flag in $NIX_CFLAGS_COMPILE $NIX_LDFLAGS; do
case $flag in
-I*)
export CMAKE_INCLUDE_PATH="$CMAKE_INCLUDE_PATH${CMAKE_INCLUDE_PATH:+:}${flag:2}"
;;
-L*)
export CMAKE_LIBRARY_PATH="$CMAKE_LIBRARY_PATH${CMAKE_LIBRARY_PATH:+:}${flag:2}"
;;
esac
done
}
# not using setupHook, because it could be a setupHook adding additional
# include flags to NIX_CFLAGS_COMPILE
postHooks+=(makeCmakeFindLibs)