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-rw-r--r--Modules/Platform/UnixPaths.cmake5
-rw-r--r--Source/cmLocalGenerator.cxx22
2 files changed, 16 insertions, 11 deletions
diff --git a/Modules/Platform/UnixPaths.cmake b/Modules/Platform/UnixPaths.cmake
index 4ae4514..46c24bb 100644
--- a/Modules/Platform/UnixPaths.cmake
+++ b/Modules/Platform/UnixPaths.cmake
@@ -63,11 +63,6 @@ list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES
/lib /lib32 /lib64 /usr/lib /usr/lib32 /usr/lib64
)
-# Platform-wide directories to avoid adding via -I<dir>.
-list(APPEND CMAKE_PLATFORM_IMPLICIT_INCLUDE_DIRECTORIES
- /usr/include
- )
-
# Default per-language values. These may be later replaced after
# parsing the implicit directory information from compiler output.
set(_CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES_INIT
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 252aa4c..b1115ea 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -939,12 +939,6 @@ std::vector<BT<std::string>> cmLocalGenerator::GetIncludeDirectoriesImplicit(
// Raw list of implicit include directories
std::vector<std::string> impDirVec;
- // Get platform-wide implicit directories.
- if (const char* implicitIncludes = (this->Makefile->GetDefinition(
- "CMAKE_PLATFORM_IMPLICIT_INCLUDE_DIRECTORIES"))) {
- cmSystemTools::ExpandListArgument(implicitIncludes, impDirVec);
- }
-
// Load implicit include directories for this language.
std::string key = "CMAKE_";
key += lang;
@@ -953,6 +947,22 @@ std::vector<BT<std::string>> cmLocalGenerator::GetIncludeDirectoriesImplicit(
cmSystemTools::ExpandListArgument(value, impDirVec);
}
+ // The Platform/UnixPaths module used to hard-code /usr/include for C, CXX,
+ // and CUDA in CMAKE_<LANG>_IMPLICIT_INCLUDE_DIRECTORIES, but those
+ // variables are now computed. On macOS the /usr/include directory is
+ // inside the platform SDK so the computed value does not contain it
+ // directly. In this case adding -I/usr/include can hide SDK headers so we
+ // must still exclude it.
+ if ((lang == "C" || lang == "CXX" || lang == "CUDA") &&
+ std::find(impDirVec.begin(), impDirVec.end(), "/usr/include") ==
+ impDirVec.end() &&
+ std::find_if(impDirVec.begin(), impDirVec.end(),
+ [](std::string const& d) {
+ return cmHasLiteralSuffix(d, "/usr/include");
+ }) != impDirVec.end()) {
+ impDirVec.emplace_back("/usr/include");
+ }
+
for (std::string const& i : impDirVec) {
std::string imd = rootPath + i;
cmSystemTools::ConvertToUnixSlashes(imd);