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cmake: add -Wl,--no-undefined to GCC linker flags
This way unresolved symbols will be detected when linking the shared
library version.
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slouken committed Aug 17, 2014
1 parent 569e595 commit 95ced654cbc976901896f502cbb9b49b5ec88e93
Showing with 6 additions and 0 deletions.
  1. +6 −0 CMakeLists.txt
@@ -340,6 +340,12 @@ if(USE_GCC OR USE_CLANG)
if(HAVE_GCC_WSHADOW)
list(APPEND EXTRA_CFLAGS "-Wshadow")
endif()

set(CMAKE_REQUIRED_FLAGS "-Wl,--no-undefined")
check_c_compiler_flag("" HAVE_NO_UNDEFINED)
if(HAVE_NO_UNDEFINED)
list(APPEND EXTRA_LDFLAGS "-Wl,--no-undefined")
endif()
endif()

if(ASSEMBLY)

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