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fix compilation with intel compiler

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by adding -restrict compile flag
This commit is contained in:
derselbst 2018-05-04 20:05:45 +02:00
parent 5280aae7ac
commit 7fba85296b
1 changed files with 18 additions and 8 deletions
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26
CMakeLists.txt
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@ -156,16 +156,26 @@ if ( CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_
"${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined" )
endif ( NOT APPLE AND NOT OS2 )
if ( OS2 )
set ( GNUCC_VISIBILITY_FLAG "" )
else ( OS2 )
set ( GNUCC_VISIBILITY_FLAG "-fvisibility=hidden" )
# define some warning flags
set ( ADDITIONAL_FLAGS "-Wall -W -Wpointer-arith -Wno-cast-qual -Wstrict-prototypes -Wno-unused-parameter -Wdeclaration-after-statement" )
# no visibility support on OS2
if ( NOT OS2 )
set ( ADDITIONAL_FLAGS "${ADDITIONAL_FLAGS} -fvisibility=hidden" )
endif ( OS2 )
set ( GNUCC_WARNING_FLAGS "-Wall -W -Wpointer-arith -Wbad-function-cast -Wno-cast-qual -Wcast-align -Wstrict-prototypes -Wno-unused-parameter -Wdeclaration-after-statement" )
set ( CMAKE_C_FLAGS_DEBUG "-g ${GNUCC_VISIBILITY_FLAG} -DDEBUG ${GNUCC_WARNING_FLAGS} -fsanitize=undefined ${CMAKE_C_FLAGS_DEBUG}" )
set ( CMAKE_C_FLAGS_RELEASE "-O2 -fomit-frame-pointer -finline-functions ${GNUCC_VISIBILITY_FLAG} -DNDEBUG ${GNUCC_WARNING_FLAGS} ${CMAKE_C_FLAGS_RELEASE}" )
set ( CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -fomit-frame-pointer -finline-functions ${GNUCC_VISIBILITY_FLAG} -DNDEBUG ${GNUCC_WARNING_FLAGS} ${CMAKE_C_FLAGS_RELWITHDEBINFO}" )
if ( CMAKE_C_COMPILER_ID STREQUAL "Intel" )
# icc needs the restrict flag to recognize C99 restrict pointers
set ( ADDITIONAL_FLAGS "${ADDITIONAL_FLAGS} -restrict" )
else () # not intel
# gcc and clang support bad function cast and alignment warnings; add them as well.
set ( ADDITIONAL_FLAGS "${ADDITIONAL_FLAGS} -Wbad-function-cast -Wcast-align" )
endif (CMAKE_C_COMPILER_ID STREQUAL "Intel" )
set ( CMAKE_C_FLAGS_DEBUG "-g ${ADDITIONAL_FLAGS} -DDEBUG -fsanitize=undefined ${CMAKE_C_FLAGS_DEBUG}" )
set ( CMAKE_C_FLAGS_RELEASE "-O2 -fomit-frame-pointer -finline-functions ${ADDITIONAL_FLAGS} -DNDEBUG ${CMAKE_C_FLAGS_RELEASE}" )
set ( CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -fomit-frame-pointer -finline-functions ${ADDITIONAL_FLAGS} -DNDEBUG ${CMAKE_C_FLAGS_RELWITHDEBINFO}" )
endif ( CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "Intel" )
# Windows