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cmake: add automatic detection of architecture to enable SSE2 by default

This commit is contained in:
Marc-André Moreau 2012-10-12 17:55:12 -04:00
parent 7b2369a12e
commit e2d3b4454c
3 changed files with 18 additions and 10 deletions
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8
CMakeLists.txt
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@ -94,12 +94,12 @@ if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
endif()
if(WITH_SSE2_TARGET)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2")
endif()
if(${CMAKE_VERSION} VERSION_LESS 2.8.8)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
endif()
if(WITH_SSE2)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2")
endif()
endif()
if(MSVC)
@ -125,9 +125,7 @@ endif()
# Include files
check_include_files(fcntl.h HAVE_FCNTL_H)
check_include_files(unistd.h HAVE_UNISTD_H)
check_include_files(limits.h HAVE_LIMITS_H)
check_include_files(stdint.h HAVE_STDINT_H)
check_include_files(stdbool.h HAVE_STDBOOL_H)
check_include_files(inttypes.h HAVE_INTTYPES_H)
check_include_files(sys/modem.h HAVE_SYS_MODEM_H)
check_include_files(sys/filio.h HAVE_SYS_FILIO_H)

18
cmake/ConfigOptions.cmake
View File

@ -1,9 +1,21 @@
if((CMAKE_SYSTEM_PROCESSOR MATCHES "i386|i686|x86") AND (CMAKE_SIZEOF_VOID_P EQUAL 4))
set(TARGET_ARCH "x86")
elseif((CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|AMD64") AND (CMAKE_SIZEOF_VOID_P EQUAL 8))
set(TARGET_ARCH "x64")
endif()
option(WITH_MANPAGES "Generate manpages." ON)
option(WITH_NEON "Enable NEON optimization for rfx decoder" OFF)
option(WITH_PROFILER "Compile profiler." OFF)
option(WITH_SSE2_TARGET "Allow compiler to generate SSE2 instructions." OFF)
option(WITH_SSE2 "Use SSE2 optimization." OFF)
if((TARGET_ARCH MATCHES "x86|x64") AND (NOT DEFINED WITH_SSE2))
option(WITH_SSE2 "Enable SSE2 optimization." ON)
else()
option(WITH_SSE2 "Enable SSE2 optimization." OFF)
endif()
option(WITH_NEON "Enable NEON optimization." OFF)
option(WITH_JPEG "Use JPEG decoding." OFF)
if(APPLE)

2
config.h.in
View File

@ -17,9 +17,7 @@
/* Include files */
#cmakedefine HAVE_FCNTL_H
#cmakedefine HAVE_UNISTD_H
#cmakedefine HAVE_LIMITS_H
#cmakedefine HAVE_STDINT_H
#cmakedefine HAVE_STDBOOL_H
#cmakedefine HAVE_INTTYPES_H
#cmakedefine HAVE_SYS_MODEM_H
#cmakedefine HAVE_SYS_FILIO_H