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postpend (instead of prepend) any $CFLAGS from build environment to Cflags

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F. Duncanh
2022-12-28 12:09:00 -05:00
parent dc22631cfd
commit fa5d412e21
1 changed files with 13 additions and 12 deletions
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25
lib/CMakeLists.txt
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@@ -1,25 +1,27 @@
cmake_minimum_required(VERSION 3.4.1)
include_directories( playfair llhttp )
# Common Linux cflags
if ( UNIX AND NOT APPLE )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSTANDALONE -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -DTARGET_POSIX -D_LINUX -fPIC -DPIC -D_REENTRANT -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -Wall" )
endif()
if ( WIN32 )
message( STATUS "Building for Windows " )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSTANDALONE -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -DTARGET_POSIX -D_WIN32 -fPIC -DPIC -D_REENTRANT -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -Wall" )
endif()
message( STATUS "*** CFLAGS \"" ${CMAKE_C_FLAGS} "\" from build environment will be postpended to CMAKE_CFLAGS" )
# Common x86/x86_64 cflags
if( NOT NO_MARCH_NATIVE AND CMAKE_SYSTEM_PROCESSOR MATCHES "(x86)|(X86)|(amd64)|(AMD64)" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Ofast -march=native" )
set( CMAKE_C_FLAGS "-Ofast -march=native ${CMAKE_C_FLAGS}" )
message( STATUS "Using CFLAGS with -march=native" )
message( STATUS "*** ONLY USE THIS WHEN COMPILING ON THE MACHINE THAT WILL RUN UXPLAY" )
message( STATUS " run \"cmake -DNO_MARCH_NATIVE=ON\" to switch off this compiler option" )
else()
message( STATUS "Not using -march=native" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2" )
set( CMAKE_C_FLAGS "-O2 ${CMAKE_C_FLAGS}" )
endif()
# Common Linux cflags
if ( UNIX AND NOT APPLE )
set( CMAKE_C_FLAGS "-DSTANDALONE -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -DTARGET_POSIX -D_LINUX -fPIC -DPIC -D_REENTRANT -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -Wall ${CMAKE_C_FLAGS}" )
endif()
if ( WIN32 )
message( STATUS "Building for Windows " )
set( CMAKE_C_FLAGS "-DSTANDALONE -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -DTARGET_POSIX -D_WIN32 -fPIC -DPIC -D_REENTRANT -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -Wall ${CMAKE_C_FLAGS}" )
endif()
message( STATUS "using CMAKE_CFLAGS: " ${CMAKE_C_FLAGS} )
@@ -27,7 +29,6 @@ message( STATUS "using CMAKE_CFLAGS: " ${CMAKE_C_FLAGS} )
#activate the NOHOLD feature to drop existing connections if a third connection is made
add_definitions( -DNOHOLD )
INCLUDE (CheckIncludeFiles)
if( WIN32 )
CHECK_INCLUDE_FILES ("winsock2.h" WINSOCK2 )