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authorBrad King <brad.king@kitware.com>2009-02-25 16:44:46 (GMT)
committerBrad King <brad.king@kitware.com>2009-02-25 16:44:46 (GMT)
commitcb788e8f6dfeeb5a934679f671adc87116837834 (patch)
treeed5632df00a4633e58b95538345cac730db49f1b /Modules/Platform
parent261600bd090d1946c7c4fed80660b2ace216ddf8 (diff)
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ENH: Re-enable system include dir suppression
This creates variable CMAKE_<LANG>_IMPLICIT_INCLUDE_DIRECTORIES to specify implicit include directories on a per-language basis. This replaces the previous platform-wide variable. It is necessary to avoid explicit specification of -I/usr/include on some compilers (such as HP aCC) because: 1.) It may break ordering among system include directories defined internally by the compiler, thus getting wrong system headers. 2.) It tells the compiler to treat the system include directory as a user include directory, enabling warnings in the headers. See issue #8598.
Diffstat (limited to 'Modules/Platform')
-rw-r--r--Modules/Platform/UnixPaths.cmake7
1 files changed, 7 insertions, 0 deletions
diff --git a/Modules/Platform/UnixPaths.cmake b/Modules/Platform/UnixPaths.cmake
index 7ed85c0..584d334 100644
--- a/Modules/Platform/UnixPaths.cmake
+++ b/Modules/Platform/UnixPaths.cmake
@@ -53,5 +53,12 @@ LIST(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES
/lib /usr/lib /usr/lib32 /usr/lib64
)
+LIST(APPEND CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES
+ /usr/include
+ )
+LIST(APPEND CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES
+ /usr/include
+ )
+
# Enable use of lib64 search path variants by default.
SET_PROPERTY(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE)