https://llvm.org/bugs/show_bug.cgi?id=26778
Bug ID: 26778
Summary: check-libcxxabi fails when built with CXX="ccache
clang++"
Product: libc++abi
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
If you use ccache to build libcxxabi by setting CXX="ccache clang++",
check-libcxxabi will fail since LIBCXXABI_COMPILER will be set to "ccache".
We can't just include CMAKE_CXX_COMPILER_ARG1 because of a python parsing
issue, so the best we can do right now is to use CMAKE_CXX_COMPILER_ARG1 if it
exists, and CMAKE_CXX_COMPILER if it doesn't.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d77f784..381b1c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -177,7 +177,14 @@ set(CMAKE_MODULE_PATH
# Configure compiler.
include(config-ix)
-set(LIBCXXABI_COMPILER ${CMAKE_CXX_COMPILER})
+# When ccache is used, the actual compiler will be in arg1. Solves
+# a python parsing issue in CXXCompiler() where parameters with spaces are
+# treated as seperate parameters.
+if(CMAKE_CXX_COMPILER_ARG1)
+ string(STRIP ${CMAKE_CXX_COMPILER_ARG1} LIBCXXABI_COMPILER )
+else()
+ set(LIBCXXABI_COMPILER ${CMAKE_CXX_COMPILER})
+endif()
set(LIBCXXABI_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(LIBCXXABI_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX})
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