forked from mirrors/nixpkgs
142 lines
4.9 KiB
Bash
Executable file
142 lines
4.9 KiB
Bash
Executable file
addCMakeParams() {
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addToSearchPath CMAKE_PREFIX_PATH $1
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}
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fixCmakeFiles() {
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# Replace occurences of /usr and /opt by /var/empty.
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echo "fixing cmake files..."
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find "$1" \( -type f -name "*.cmake" -o -name "*.cmake.in" -o -name CMakeLists.txt \) -print |
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while read fn; do
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sed -e 's^/usr\([ /]\|$\)^/var/empty\1^g' -e 's^/opt\([ /]\|$\)^/var/empty\1^g' < "$fn" > "$fn.tmp"
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mv "$fn.tmp" "$fn"
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done
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}
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cmakeConfigurePhase() {
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runHook preConfigure
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export CTEST_OUTPUT_ON_FAILURE=1
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if [ -n "${enableParallelChecking-1}" ]; then
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export CTEST_PARALLEL_LEVEL=$NIX_BUILD_CORES
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fi
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if [ -z "$dontFixCmake" ]; then
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fixCmakeFiles .
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fi
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if [ -z "$dontUseCmakeBuildDir" ]; then
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mkdir -p build
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cd build
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cmakeDir=${cmakeDir:-..}
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fi
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if [ -z "$dontAddPrefix" ]; then
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cmakeFlags="-DCMAKE_INSTALL_PREFIX=$prefix $cmakeFlags"
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fi
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# We should set the proper `CMAKE_SYSTEM_NAME`.
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# http://www.cmake.org/Wiki/CMake_Cross_Compiling
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#
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# Unfortunately cmake seems to expect absolute paths for ar, ranlib, and
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# strip. Otherwise they are taken to be relative to the source root of the
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# package being built.
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cmakeFlags="-DCMAKE_CXX_COMPILER=$CXX $cmakeFlags"
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cmakeFlags="-DCMAKE_C_COMPILER=$CC $cmakeFlags"
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cmakeFlags="-DCMAKE_AR=$(command -v $AR) $cmakeFlags"
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cmakeFlags="-DCMAKE_RANLIB=$(command -v $RANLIB) $cmakeFlags"
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cmakeFlags="-DCMAKE_STRIP=$(command -v $STRIP) $cmakeFlags"
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# on macOS we want to prefer Unix-style headers to Frameworks
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# because we usually do not package the framework
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cmakeFlags="-DCMAKE_FIND_FRAMEWORK=last $cmakeFlags"
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# we never want to use the global macOS SDK
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cmakeFlags="-DCMAKE_OSX_SYSROOT= $cmakeFlags"
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# disable OSX deployment target
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# we don't want our binaries to have a "minimum" OSX version
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cmakeFlags="-DCMAKE_OSX_DEPLOYMENT_TARGET= $cmakeFlags"
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# correctly detect our clang compiler
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cmakeFlags="-DCMAKE_POLICY_DEFAULT_CMP0025=NEW $cmakeFlags"
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# This installs shared libraries with a fully-specified install
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# name. By default, cmake installs shared libraries with just the
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# basename as the install name, which means that, on Darwin, they
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# can only be found by an executable at runtime if the shared
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# libraries are in a system path or in the same directory as the
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# executable. This flag makes the shared library accessible from its
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# nix/store directory.
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cmakeFlags="-DCMAKE_INSTALL_NAME_DIR=${!outputLib}/lib $cmakeFlags"
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cmakeFlags="-DCMAKE_INSTALL_LIBDIR=${!outputLib}/lib $cmakeFlags"
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cmakeFlags="-DCMAKE_INSTALL_INCLUDEDIR=${!outputDev}/include $cmakeFlags"
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# Don’t build tests when doCheck = false
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if [ -z "$doCheck" ]; then
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cmakeFlags="-DBUILD_TESTING=OFF $cmakeFlags"
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fi
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# Avoid cmake resetting the rpath of binaries, on make install
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# And build always Release, to ensure optimisation flags
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cmakeFlags="-DCMAKE_BUILD_TYPE=${cmakeBuildType:-Release} -DCMAKE_SKIP_BUILD_RPATH=ON $cmakeFlags"
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# Disable user package registry to avoid potential side effects
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# and unecessary attempts to access non-existent home folder
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# https://cmake.org/cmake/help/latest/manual/cmake-packages.7.html#disabling-the-package-registry
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cmakeFlags="-DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON $cmakeFlags"
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cmakeFlags="-DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON $cmakeFlags"
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cmakeFlags="-DCMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY=ON $cmakeFlags"
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if [ "$buildPhase" = ninjaBuildPhase ]; then
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cmakeFlags="-GNinja $cmakeFlags"
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fi
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echo "cmake flags: $cmakeFlags ${cmakeFlagsArray[@]}"
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cmake ${cmakeDir:-.} $cmakeFlags "${cmakeFlagsArray[@]}"
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if ! [[ -v enableParallelBuilding ]]; then
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enableParallelBuilding=1
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echo "cmake: enabled parallel building"
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fi
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runHook postConfigure
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}
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if [ -z "$dontUseCmakeConfigure" -a -z "$configurePhase" ]; then
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setOutputFlags=
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configurePhase=cmakeConfigurePhase
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fi
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addEnvHooks "$targetOffset" addCMakeParams
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makeCmakeFindLibs(){
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isystem_seen=
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for flag in $NIX_CFLAGS_COMPILE $NIX_LDFLAGS; do
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if test -n "$isystem_seen" && test -d "$flag"; then
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isystem_seen=
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export CMAKE_INCLUDE_PATH="$CMAKE_INCLUDE_PATH${CMAKE_INCLUDE_PATH:+:}${flag}"
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else
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isystem_seen=
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case $flag in
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-I*)
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export CMAKE_INCLUDE_PATH="$CMAKE_INCLUDE_PATH${CMAKE_INCLUDE_PATH:+:}${flag:2}"
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;;
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-L*)
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export CMAKE_LIBRARY_PATH="$CMAKE_LIBRARY_PATH${CMAKE_LIBRARY_PATH:+:}${flag:2}"
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;;
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-F*)
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export CMAKE_FRAMEWORK_PATH="$CMAKE_FRAMEWORK_PATH${CMAKE_FRAMEWORK_PATH:+:}${flag:2}"
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;;
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-isystem)
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isystem_seen=1
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;;
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esac
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fi
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done
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}
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# not using setupHook, because it could be a setupHook adding additional
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# include flags to NIX_CFLAGS_COMPILE
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postHooks+=(makeCmakeFindLibs)
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