Merge pull request #2319 from ben-clayton/build-pic
Add GLSLANG_BUILD_PIC CMake flag
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 61a22ca..c9041d8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -173,8 +173,12 @@
add_compile_options(-Werror=deprecated-copy)
endif()
- # Error if there's symbols that are not found at link time.
- add_link_options("-Wl,--no-undefined")
+ if(NOT CMAKE_VERSION VERSION_LESS "3.13")
+ # Error if there's symbols that are not found at link time.
+ # add_link_options() was added in CMake 3.13 - if using an earlier
+ # version don't set this - it should be caught by presubmits anyway.
+ add_link_options("-Wl,--no-undefined")
+ endif()
elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
add_compile_options(-Wall -Wuninitialized -Wunused -Wunused-local-typedefs
-Wunused-parameter -Wunused-value -Wunused-variable)
@@ -189,8 +193,12 @@
add_compile_options(-fno-exceptions)
endif()
- # Error if there's symbols that are not found at link time.
- add_link_options("-Wl,-undefined,error")
+ if(NOT CMAKE_VERSION VERSION_LESS "3.13")
+ # Error if there's symbols that are not found at link time.
+ # add_link_options() was added in CMake 3.13 - if using an earlier
+ # version don't set this - it should be caught by presubmits anyway.
+ add_link_options("-Wl,-undefined,error")
+ endif()
elseif(MSVC)
if(NOT ENABLE_RTTI)
string(FIND "${CMAKE_CXX_FLAGS}" "/GR" MSVC_HAS_GR)
