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When compiling upm for target Raspberry Pi (and probably others),

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warning messages about unused result occur.
This commit enables to remove the messages uding the option
-DWUNUSED=on
which makes a cleaner log

Signed-off-by: g-vidal <gerard.vidal@ens-lyon.fr>
This commit is contained in:
g-vidal 2018-04-14 18:24:35 +02:00
parent ad15b27cb1
commit 543fd26dce
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 (BUILDTESTS "Generate check-ups for upm" OFF)
option (WERROR "Make all warnings into errors." ON)
option (WUNUSED "Remove warnings if return value unused" OFF)
# Warn if building in source root
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")
endif (WERROR)
# Remove Warnings for "unused return" ?
if (WUNUSED)
list (APPEND C_CXX_WARNING_FLAGS -Wno-unused-result)
message (STATUS "Warnings for unused-result enabled, disable with -DWUNUSED=on")
endif (WUNUSED)
# Set C compiler warning flags at top-level scope and emit a warning about
# unsupported flags
upm_add_compile_flags(C ${C_CXX_WARNING_FLAGS}