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Link the examples with librt if it exists

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This commit is contained in:
Chris Robinson
2019-10-01 19:56:39 -07:00
parent 0063f4bfac
commit e2c1602ede
1 changed files with 12 additions and 2 deletions
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CMakeLists.txt
+12 -2
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@@ -1423,12 +1423,22 @@ IF(ALSOFT_UTILS)
ENDIF()
# Some systems need to link with -lrt for clock_gettime as used by the common
# eaxmple functions.
SET(RT_LIB )
CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
IF(HAVE_LIBRT)
SET(RT_LIB rt)
ENDIF()
# Add a static library with common functions used by multiple example targets
ADD_LIBRARY(ex-common STATIC EXCLUDE_FROM_ALL examples/common/alhelpers.c)
ADD_LIBRARY(ex-common STATIC EXCLUDE_FROM_ALL
examples/common/alhelpers.c
examples/common/alhelpers.h)
TARGET_COMPILE_DEFINITIONS(ex-common PUBLIC ${CPP_DEFS})
TARGET_INCLUDE_DIRECTORIES(ex-common PUBLIC ${OpenAL_SOURCE_DIR}/common)
TARGET_COMPILE_OPTIONS(ex-common PUBLIC ${C_FLAGS})
TARGET_LINK_LIBRARIES(ex-common PUBLIC OpenAL)
TARGET_LINK_LIBRARIES(ex-common PUBLIC OpenAL PRIVATE ${RT_LIB})
IF(ALSOFT_TESTS)
ADD_EXECUTABLE(altonegen examples/altonegen.c)