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isEmpty(LLVM_INSTALL_DIR):LLVM_INSTALL_DIR=$$(LLVM_INSTALL_DIR)
LLVM_INSTALL_DIR = $$clean_path($$LLVM_INSTALL_DIR)
isEmpty(LLVM_INSTALL_DIR): error("No LLVM_INSTALL_DIR provided")
!exists($$LLVM_INSTALL_DIR): error("LLVM_INSTALL_DIR does not exist: $$LLVM_INSTALL_DIR")
defineReplace(extractVersion) { return($$replace(1, ^(\\d+\\.\\d+\\.\\d+)$, \\1)) }
defineReplace(extractMajorVersion) { return($$replace(1, ^(\\d+)\\.\\d+\\.\\d+$, \\1)) }
defineReplace(extractMinorVersion) { return($$replace(1, ^\\d+\\.(\\d+)\\.\\d+$, \\1)) }
defineReplace(extractPatchVersion) { return($$replace(1, ^\\d+\\.\\d+\\.(\\d+)$, \\1)) }
defineTest(versionIsAtLeast) {
actual_major_version = $$extractMajorVersion($$1)
actual_minor_version = $$extractMinorVersion($$1)
actual_patch_version = $$extractPatchVersion($$1)
required_min_major_version = $$2
required_min_minor_version = $$3
required_min_patch_version = $$4
isEqual(actual_major_version, $$required_min_major_version) {
isEqual(actual_minor_version, $$required_min_minor_version) {
isEqual(actual_patch_version, $$required_min_patch_version): return(true)
greaterThan(actual_patch_version, $$required_min_patch_version): return(true)
}
greaterThan(actual_minor_version, $$required_min_minor_version): return(true)
}
greaterThan(actual_major_version, $$required_min_major_version): return(true)
return(false)
}
defineReplace(findLLVMVersionFromLibDir) {
libdir = $$1
version_dirs = $$files($$libdir/clang/*)
for (version_dir, version_dirs) {
fileName = $$basename(version_dir)
version = $$find(fileName, ^(\\d+\\.\\d+\\.\\d+)$)
!isEmpty(version): return($$version)
}
}
defineReplace(findClangLibInLibDir) {
libdir = $$1
exists ($${libdir}/libclang.*) {
#message("LLVM was build with autotools")
return("clang")
} else {
exists ($${libdir}/liblibclang.*) {
#message("LLVM was build with CMake")
return("libclang")
}
}
}
defineReplace(findClangOnWindows) {
FILE_EXTS = a dll
msvc: FILE_EXTS = lib dll
for (suffix, $$list(lib bin)) {
for (libname, $$list(clang libclang)) {
for (ext, FILE_EXTS) {
exists("$${LLVM_INSTALL_DIR}/$${suffix}/$${libname}.$${ext}") {
return($${LLVM_INSTALL_DIR}/$${suffix}/)
}
}
}
}
}
win32 {
LLVM_INCLUDEPATH = "$$LLVM_INSTALL_DIR/include"
LLVM_LIBDIR = $$findClangOnWindows()
isEmpty(LLVM_LIBDIR): error("Cannot find clang shared library at $${LLVM_INSTALL_DIR}")
LLVM_VERSION = $$findLLVMVersionFromLibDir($$LLVM_LIBDIR)
clang_lib = clang
!exists("$${LLVM_LIBDIR}/clang.*"): clang_lib = libclang
LLVM_LIBS = -L"$${LLVM_LIBDIR}" -l$${clang_lib}
LLVM_LIBS += -ladvapi32 -lshell32
}
unix {
llvm_config = $$LLVM_INSTALL_DIR/bin/llvm-config
exists($$llvm_config) {
#message("llvm-config found, querying it for paths and version")
LLVM_LIBDIR = $$system($$llvm_config --libdir 2>/dev/null)
LLVM_INCLUDEPATH = $$system($$llvm_config --includedir 2>/dev/null)
output = $$system($$llvm_config --version 2>/dev/null)
LLVM_VERSION = $$extractVersion($$output)
} else {
#message("llvm-config not found, concluding paths and version from LLVM_INSTALL_DIR")
LLVM_INCLUDEPATH = $$LLVM_INSTALL_DIR/include
LLVM_LIBDIR = $$LLVM_INSTALL_DIR/lib
LLVM_VERSION = $$findLLVMVersionFromLibDir($$LLVM_LIBDIR)
}
LIBCLANG_MAIN_HEADER = $$LLVM_INCLUDEPATH/clang-c/Index.h
!exists($$LIBCLANG_MAIN_HEADER): error("Cannot find libclang's main header file, candidate: $$LIBCLANG_MAIN_HEADER")
!exists($$LLVM_LIBDIR): error("Cannot detect lib dir for clang, candidate: $$LLVM_LIBDIR")
clang_lib = $$findClangLibInLibDir($$LLVM_LIBDIR)
isEmpty(clang_lib): error("Cannot find Clang shared library in $$LLVM_LIBDIR")
!contains(QMAKE_DEFAULT_LIBDIRS, $$LLVM_LIBDIR): LLVM_LIBS = -L$${LLVM_LIBDIR}
LLVM_LIBS += -l$${clang_lib}
contains(QMAKE_DEFAULT_INCDIRS, $$LLVM_INCLUDEPATH): LLVM_INCLUDEPATH =
}
isEmpty(LLVM_VERSION): error("Cannot determine clang version at $$LLVM_INSTALL_DIR")
!versionIsAtLeast($$LLVM_VERSION, 3, 6, 2): {
error("LLVM/Clang version >= 3.6.2 required, version provided: $$LLVM_VERSION")
}
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