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llvm-config: Add support for CMake build trees in which the build 

mode does not form part of the path.

llvm-svn: 149010
This commit is contained in:
Peter Collingbourne 2012-01-26 01:31:38 +00:00
parent e3593114a1
commit 76e1c8c9ae
1 changed files with 19 additions and 7 deletions
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26
llvm/tools/llvm-config/llvm-config.cpp
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@ -169,7 +169,8 @@ int main(int argc, char **argv) {
// and from an installed path. We try and auto-detect which case we are in so
// that we can report the correct information when run from a development
// tree.
bool IsInDevelopmentTree, DevelopmentTreeLayoutIsCMakeStyle;
bool IsInDevelopmentTree;
enum { MakefileStyle, CMakeStyle, CMakeBuildModeStyle } DevelopmentTreeLayout;
llvm::SmallString<256> CurrentPath(GetExecutablePath(argv[0]).str());
std::string CurrentExecPrefix;
std::string ActiveObjRoot;
@ -185,7 +186,7 @@ int main(int argc, char **argv) {
// symbolic links, but is good enough.
if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/" + LLVM_BUILDMODE) {
IsInDevelopmentTree = true;
DevelopmentTreeLayoutIsCMakeStyle = false;
DevelopmentTreeLayout = MakefileStyle;
// If we are in a development tree, then check if we are in a BuildTools
// directory. This indicates we are built for the build triple, but we
@ -195,9 +196,13 @@ int main(int argc, char **argv) {
} else {
ActiveObjRoot = LLVM_OBJ_ROOT;
}
} else if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT)) {
IsInDevelopmentTree = true;
DevelopmentTreeLayout = CMakeStyle;
ActiveObjRoot = LLVM_OBJ_ROOT;
} else if (CurrentExecPrefix == std::string(LLVM_OBJ_ROOT) + "/bin") {
IsInDevelopmentTree = true;
DevelopmentTreeLayoutIsCMakeStyle = true;
DevelopmentTreeLayout = CMakeBuildModeStyle;
ActiveObjRoot = LLVM_OBJ_ROOT;
} else {
IsInDevelopmentTree = false;
@ -213,12 +218,19 @@ int main(int argc, char **argv) {
// CMake organizes the products differently than a normal prefix style
// layout.
if (DevelopmentTreeLayoutIsCMakeStyle) {
ActiveBinDir = ActiveObjRoot + "/bin/" + LLVM_BUILDMODE;
ActiveLibDir = ActiveObjRoot + "/lib/" + LLVM_BUILDMODE;
} else {
switch (DevelopmentTreeLayout) {
case MakefileStyle:
ActiveBinDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/bin";
ActiveLibDir = ActiveObjRoot + "/" + LLVM_BUILDMODE + "/lib";
break;
case CMakeStyle:
ActiveBinDir = ActiveObjRoot + "/bin";
ActiveLibDir = ActiveObjRoot + "/lib";
break;
case CMakeBuildModeStyle:
ActiveBinDir = ActiveObjRoot + "/bin/" + LLVM_BUILDMODE;
ActiveLibDir = ActiveObjRoot + "/lib/" + LLVM_BUILDMODE;
break;
}
// We need to include files from both the source and object trees.