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authorBrad King <brad.king@kitware.com>2016-03-15 14:15:53 (GMT)
committerBrad King <brad.king@kitware.com>2016-03-15 14:18:50 (GMT)
commit6d74e7870b8804a5af0bc395a9fbb45c1b3d26a4 (patch)
tree3501d4f2d462509ca5b9451ab6943368a975d51c /Modules/Compiler/GNU.cmake
parent1d4ab06a7045edf366c689ba5e29bbc35d08718e (diff)
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Ninja: Add dependencies on system-provided header files (#14914)
When system-provided packages are upgraded we must re-compile sources depending on their headers. Use `-MD` instead of `-MMD` so that the generated depfiles do not exclude system headers. Suggested-by: Jussi Judin
Diffstat (limited to 'Modules/Compiler/GNU.cmake')
-rw-r--r--Modules/Compiler/GNU.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake
index d1ca85e..c2d393d 100644
--- a/Modules/Compiler/GNU.cmake
+++ b/Modules/Compiler/GNU.cmake
@@ -41,7 +41,7 @@ macro(__compiler_gnu lang)
# distcc does not transform -o to -MT when invoking the preprocessor
# internally, as it ought to. Work around this bug by setting -MT here
# even though it isn't strictly necessary.
- set(CMAKE_DEPFILE_FLAGS_${lang} "-MMD -MT <OBJECT> -MF <DEPFILE>")
+ set(CMAKE_DEPFILE_FLAGS_${lang} "-MD -MT <OBJECT> -MF <DEPFILE>")
endif()
# Initial configuration flags.