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From 90be1a0713994d6ca8885e1424950217472dfda8 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 27 Aug 2017 10:37:49 -0700
Subject: [PATCH] libcxxabi: Find libunwind headers when
LIBCXXABI_LIBUNWIND_INCLUDES is set
Currently, when LIBCXXABI_LIBUNWIND_INCLUDES is set via CMake arguments
then it ends up not searching the specified dir and unwind.h is not found
especially for ARM targets
This patch makes the searching synthesized directories and then set
LIBCXXABI_LIBUNWIND_INCLUDES if its there in environment
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
libcxxabi/CMakeLists.txt | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/libcxxabi/CMakeLists.txt b/libcxxabi/CMakeLists.txt
index ce69fff1370..47e09e34fc2 100644
--- a/libcxxabi/CMakeLists.txt
+++ b/libcxxabi/CMakeLists.txt
@@ -455,14 +455,9 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBCXXABI_C_FLAGS}")
# Setup Source Code
#===============================================================================
-set(LIBCXXABI_LIBUNWIND_INCLUDES "${LIBCXXABI_LIBUNWIND_INCLUDES}" CACHE PATH
- "Specify path to libunwind includes." FORCE)
-set(LIBCXXABI_LIBUNWIND_PATH "${LIBCXXABI_LIBUNWIND_PATH}" CACHE PATH
- "Specify path to libunwind source." FORCE)
-
include_directories(include)
if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM)
- find_path(LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL libunwind.h
+ find_path(LIBCXXABI_LIBUNWIND_INCLUDES libunwind.h
PATHS ${LIBCXXABI_LIBUNWIND_INCLUDES}
${LIBCXXABI_LIBUNWIND_PATH}/include
${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBUNWIND_INCLUDES}
@@ -473,15 +468,21 @@ if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM)
NO_CMAKE_FIND_ROOT_PATH
)
- if (LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL-NOTFOUND")
- set(LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL "")
+ if (LIBCXXABI_LIBUNWIND_INCLUDES STREQUAL "LIBCXXABI_LIBUNWIND_INCLUDES-NOTFOUND")
+ set(LIBCXXABI_LIBUNWIND_INCLUDES "")
endif()
- if (NOT LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "")
- include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}")
+ if (NOT LIBCXXABI_LIBUNWIND_INCLUDES STREQUAL "")
+ include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES}")
endif()
endif()
+set(LIBCXXABI_LIBUNWIND_INCLUDES "${LIBCXXABI_LIBUNWIND_INCLUDES}" CACHE PATH
+ "Specify path to libunwind includes." FORCE)
+set(LIBCXXABI_LIBUNWIND_PATH "${LIBCXXABI_LIBUNWIND_PATH}" CACHE PATH
+ "Specify path to libunwind source." FORCE)
+
+
# Add source code. This also contains all of the logic for deciding linker flags
# soname, etc...
add_subdirectory(src)
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