diff options
Diffstat (limited to 'pkgs/by-name/cm/cmake/setup-hook.sh')
-rwxr-xr-x | pkgs/by-name/cm/cmake/setup-hook.sh | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/pkgs/by-name/cm/cmake/setup-hook.sh b/pkgs/by-name/cm/cmake/setup-hook.sh new file mode 100755 index 00000000000..b28ed42b689 --- /dev/null +++ b/pkgs/by-name/cm/cmake/setup-hook.sh @@ -0,0 +1,184 @@ +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 + + # default to CMake defaults if unset + : ${cmakeBuildDir:=build} + + export CTEST_OUTPUT_ON_FAILURE=1 + if [ -n "${enableParallelChecking-1}" ]; then + export CTEST_PARALLEL_LEVEL=$NIX_BUILD_CORES + fi + + if [ -z "${dontFixCmake-}" ]; then + fixCmakeFiles . + fi + + if [ -z "${dontUseCmakeBuildDir-}" ]; then + mkdir -p "$cmakeBuildDir" + cd "$cmakeBuildDir" + : ${cmakeDir:=..} + else + : ${cmakeDir:=.} + fi + + if [ -z "${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" + + # 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 $cmakeFlags" + + # The docdir flag needs to include PROJECT_NAME as per GNU guidelines, + # try to extract it from CMakeLists.txt. + if [[ -z "$shareDocName" ]]; then + local cmakeLists="${cmakeDir}/CMakeLists.txt" + if [[ -f "$cmakeLists" ]]; then + local shareDocName="$(grep --only-matching --perl-regexp --ignore-case '\bproject\s*\(\s*"?\K([^[:space:]")]+)' < "$cmakeLists" | head -n1)" + fi + # The argument sometimes contains garbage or variable interpolation. + # When that is the case, let’s fall back to the derivation name. + if [[ -z "$shareDocName" ]] || echo "$shareDocName" | grep -q '[^a-zA-Z0-9_+-]'; then + if [[ -n "${pname-}" ]]; then + shareDocName="$pname" + else + shareDocName="$(echo "$name" | sed 's/-[^a-zA-Z].*//')" + fi + fi + fi + + # This ensures correct paths with multiple output derivations + # It requires the project to use variables from GNUInstallDirs module + # https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html + cmakeFlags="-DCMAKE_INSTALL_BINDIR=${!outputBin}/bin $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_SBINDIR=${!outputBin}/sbin $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_INCLUDEDIR=${!outputInclude}/include $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_OLDINCLUDEDIR=${!outputInclude}/include $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_MANDIR=${!outputMan}/share/man $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_INFODIR=${!outputInfo}/share/info $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_DOCDIR=${!outputDoc}/share/doc/${shareDocName} $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_LIBDIR=${!outputLib}/lib $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_LIBEXECDIR=${!outputLib}/libexec $cmakeFlags" + cmakeFlags="-DCMAKE_INSTALL_LOCALEDIR=${!outputLib}/share/locale $cmakeFlags" + + # Don’t build tests when doCheck = false + if [ -z "${doCheck-}" ]; then + cmakeFlags="-DBUILD_TESTING=OFF $cmakeFlags" + fi + + # Always build Release, to ensure optimisation flags + cmakeFlags="-DCMAKE_BUILD_TYPE=${cmakeBuildType:-Release} $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_USE_PACKAGE_REGISTRY=OFF $cmakeFlags" + cmakeFlags="-DCMAKE_FIND_USE_SYSTEM_PACKAGE_REGISTRY=OFF $cmakeFlags" + + if [ "${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 + + if ! [[ -v enableParallelInstalling ]]; then + enableParallelInstalling=1 + echo "cmake: enabled parallel installing" + fi + + runHook postConfigure +} + +if [ -z "${dontUseCmakeConfigure-}" -a -z "${configurePhase-}" ]; then + setOutputFlags= + configurePhase=cmakeConfigurePhase +fi + +addEnvHooks "$targetOffset" addCMakeParams + +makeCmakeFindLibs(){ + isystem_seen= + iframework_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}" + elif test -n "$iframework_seen" && test -d "$flag"; then + iframework_seen= + export CMAKE_FRAMEWORK_PATH="${CMAKE_FRAMEWORK_PATH-}${CMAKE_FRAMEWORK_PATH:+:}${flag}" + else + isystem_seen= + iframework_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 + ;; + -iframework) + iframework_seen=1 + ;; + esac + fi + done +} + +# not using setupHook, because it could be a setupHook adding additional +# include flags to NIX_CFLAGS_COMPILE +postHooks+=(makeCmakeFindLibs) |