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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /cmake/modules/FindM.cmake | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cmake/modules/FindM.cmake')
-rw-r--r-- | cmake/modules/FindM.cmake | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/cmake/modules/FindM.cmake b/cmake/modules/FindM.cmake new file mode 100644 index 00000000..402a8bce --- /dev/null +++ b/cmake/modules/FindM.cmake @@ -0,0 +1,52 @@ +# +# - Find math +# Find the native M includes and library +# +# M_INCLUDE_DIRS - where to find math.h, etc. +# M_LIBRARIES - List of libraries when using math. +# M_FOUND - True if math found. + + +IF (M_INCLUDE_DIRS) + # Already in cache, be silent + SET(M_FIND_QUIETLY TRUE) +ENDIF (M_INCLUDE_DIRS) + +# +# On macOS, make sure we do *NOT* find math.h in the Kernel framework, +# as that will convince CMake to cause the build to look there for +# headers. +# +# For some unknown reason, on Yosemite, math.h is included in the Kernel +# framework. That framework exists to supply headers for building +# *kernel* modules; it includes versions of C headers that are similar +# to the standard userland headers, but not similar enough to be usable +# when building userland code. +# +# Unless told not to look first in the framework paths, CMake will, on +# Yosemite, or when using the Yosemite SDK, find math.h in the Kernel +# framework, and add the header directory for the Kernel framework to +# the list of places to look for headers, causing it to pick up other +# headers from there as well. This causes the build to fail. +# +SET(SAVED_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK}) +SET(CMAKE_FIND_FRAMEWORK LAST) +FIND_PATH(M_INCLUDE_DIR math.h) +SET(CMAKE_FIND_FRAMEWORK ${SAVED_CMAKE_FIND_FRAMEWORK}) + +set(M_LIBRARY m) + +# handle the QUIETLY and REQUIRED arguments and set M_FOUND to TRUE if +# all listed variables are TRUE +INCLUDE(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(M DEFAULT_MSG M_LIBRARY M_INCLUDE_DIR) + +IF(M_FOUND) + SET( M_LIBRARIES ${M_LIBRARY} ) + SET( M_INCLUDE_DIRS ${M_INCLUDE_DIR} ) +ELSE(M_FOUND) + SET( M_LIBRARIES ) + SET( M_INCLUDE_DIRS ) +ENDIF(M_FOUND) + +MARK_AS_ADVANCED( M_LIBRARIES M_INCLUDE_DIRS ) |