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32 lines
1.0 KiB
32 lines
1.0 KiB
Index: codec2-dev/CMakeLists.txt
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===================================================================
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--- codec2-dev/CMakeLists.txt (revision 3026)
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+++ codec2-dev/CMakeLists.txt (working copy)
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@@ -52,18 +52,21 @@
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endif()
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# Set default C++ flags.
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-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
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-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -g -O3 -std=gnu11")
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+include(CheckCCompilerFlag)
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+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -g -O3")
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+CHECK_C_COMPILER_FLAG("-std=gnu11" COMPILER_SUPPORTS_GNU11)
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+if(COMPILER_SUPPORTS_GNU11)
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+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
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+else()
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+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
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+endif()
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# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS}")
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-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS}")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS}")
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-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS}")
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# -fPIC is implied on MinGW...
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if(NOT WIN32)
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- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
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endif()
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