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