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Merge b6bd7fc587011ece0e1cc985cc11894930570be2 into 8a617aa9044cbe5731b32d79437bd6a9ffcf2602

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Gérard Vidal 2018-07-13 22:11:59 +00:00 committed by GitHub
commit 8c76f840f9
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1 changed files with 8 additions and 0 deletions
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8
CMakeLists.txt
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@ -15,6 +15,7 @@ option (RPM "Generate RPM using CPack" OFF)
option (NPM "Generate NPM/GYP tarballs" OFF) option (NPM "Generate NPM/GYP tarballs" OFF)
option (BUILDTESTS "Generate check-ups for upm" OFF) option (BUILDTESTS "Generate check-ups for upm" OFF)
option (WERROR "Make all warnings into errors." ON) option (WERROR "Make all warnings into errors." ON)
option (WNO-UNUSED "Remove warnings if return value unused, default is OFF [warnings are printed]" OFF)
# Warn if building in source root # Warn if building in source root
if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}") if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
@ -104,6 +105,13 @@ if (WERROR)
message (STATUS "Warnings as errors enabled (-Werror), disable with -DWERROR=off") message (STATUS "Warnings as errors enabled (-Werror), disable with -DWERROR=off")
endif (WERROR) endif (WERROR)
# Remove Warnings for "unused return" ?
if (WNO-UNUSED)
list (APPEND C_CXX_WARNING_FLAGS -Wno-unused-result)
message (STATUS "Remove compiler warnings regarding unused return values. To remove warnings put the filter on with -DWNO-UNUSED=on")
endif (WNO-UNUSED)
# Set C compiler warning flags at top-level scope and emit a warning about # Set C compiler warning flags at top-level scope and emit a warning about
# unsupported flags # unsupported flags
upm_add_compile_flags(C ${C_CXX_WARNING_FLAGS} upm_add_compile_flags(C ${C_CXX_WARNING_FLAGS}