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cmake don't automatically enable ccache if already enabled

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Daniel Agar 2018-06-30 14:35:58 -04:00 committed by Lorenz Meier
parent 73f825e4b3
commit aaaf67f9c3
1 changed files with 12 additions and 1 deletions
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13
CMakeLists.txt
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@ -231,7 +231,18 @@ endforeach()
option(CCACHE "Use ccache if available" ON)
find_program(CCACHE_PROGRAM ccache)
if (CCACHE AND CCACHE_PROGRAM AND NOT DEFINED ENV{CCACHE_DISABLE})
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
get_filename_component(ccache_real_path ${CCACHE_PROGRAM} REALPATH)
get_filename_component(cxx_real_path ${CMAKE_CXX_COMPILER} REALPATH)
get_filename_component(cxx_abs_path ${CMAKE_CXX_COMPILER} ABSOLUTE)
if ("${ccache_real_path}" STREQUAL "${cxx_real_path}")
message(STATUS "ccache enabled via symlink (${cxx_abs_path} -> ${cxx_real_path})")
else()
message(STATUS "ccache enabled (export CCACHE_DISABLE=1 to disable)")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
endif()
endif()
#=============================================================================