diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/iem_checkflags.m4 | 113 | ||||
| -rw-r--r-- | m4/iem_fat.m4 | 52 | ||||
| -rw-r--r-- | m4/iem_operatingsystem.m4 | 55 | ||||
| -rw-r--r-- | m4/iem_simd.m4 | 38 |
4 files changed, 258 insertions, 0 deletions
diff --git a/m4/iem_checkflags.m4 b/m4/iem_checkflags.m4 new file mode 100644 index 0000000..dfec75a --- /dev/null +++ b/m4/iem_checkflags.m4 @@ -0,0 +1,113 @@ +dnl Copyright (C) 2005-2011 IOhannes m zmölnig +dnl This file is free software; IOhannes m zmölnig +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# AC_CHECK_CPPFLAGS(ADDITIONAL-CPPFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND) +# +# checks whether the $(C) compiler accepts the ADDITIONAL-CPPFLAGS +# if so, they are added to the CPPFLAGS +AC_DEFUN([AC_CHECK_CPPFLAGS], +[ + AC_MSG_CHECKING([whether $CPP accepts "$1"]) + temp_check_cppflags="${CPPFLAGS}" + CPPFLAGS="$1 ${CPPFLAGS}" + AC_PREPROC_IFELSE( + [AC_LANG_SOURCE([[int main(void){return 0;}]])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]); CPPFLAGS="${temp_check_cppflags}"]) +])# AC_CHECK_CPPFLAGS + + + +# AC_CHECK_CFLAGS(ADDITIONAL-CFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND) +# +# checks whether the $(C) compiler accepts the ADDITIONAL-CFLAGS +# if so, they are added to the CFLAGS +AC_DEFUN([AC_CHECK_CFLAGS], +[ + AC_MSG_CHECKING([whether $CC accepts "$1"]) +cat > conftest.c << EOF +int main(){ + return 0; +} +EOF +if $CC $CFLAGS [$1] -o conftest.o conftest.c > /dev/null 2>&1 +then + AC_MSG_RESULT([yes]) + CFLAGS="${CFLAGS} [$1]" + AC_CHECK_CPPFLAGS([$1]) + [$2] +else + AC_MSG_RESULT([no]) + [$3] +fi +])# AC_CHECK_CFLAGS + +# AC_CHECK_CXXFLAGS(ADDITIONAL-CXXFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND) +# +# checks whether the $(CXX) (c++) compiler accepts the ADDITIONAL-CXXFLAGS +# if so, they are added to the CXXFLAGS +AC_DEFUN([AC_CHECK_CXXFLAGS], +[ + AC_MSG_CHECKING([whether $CXX accepts "$1"]) +cat > conftest.c++ << EOF +int main(){ + return 0; +} +EOF +if $CXX $CPPFLAGS $CXXFLAGS -o conftest.o conftest.c++ [$1] > /dev/null 2>&1 +then + AC_MSG_RESULT([yes]) + CXXFLAGS="${CXXFLAGS} [$1]" + AC_CHECK_CPPFLAGS([$1]) + [$2] +else + AC_MSG_RESULT([no]) + [$3] +fi +])# AC_CHECK_CXXFLAGS + +# AC_CHECK_FRAMEWORK(FRAMEWORK, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND) +# +# +AC_DEFUN([AC_CHECK_FRAMEWORK], +[ + AC_MSG_CHECKING([for "$1"-framework]) + + temp_check_ldflags_org="${LDFLAGS}" + LDFLAGS="-framework [$1] ${LDFLAGS}" + + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [temp_check_ldflags_success="yes"],[temp_check_ldflags_success="no"]) + + if test "x$temp_check_ldflags_success" = "xyes"; then + AC_MSG_RESULT([yes]) + [$2] + else + AC_MSG_RESULT([no]) + LDFLAGS="$temp_check_ldflags_org" + [$3] + fi +])# AC_CHECK_FRAMEWORK + +# AC_CHECK_LDFLAGS(ADDITIONAL-LDFLAGS, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND) +# +# checks whether the $(LD) linker accepts the ADDITIONAL-LDFLAGS +# if so, they are added to the LDFLAGS +AC_DEFUN([AC_CHECK_LDFLAGS], +[ + AC_MSG_CHECKING([whether linker accepts "$1"]) + temp_check_ldflags_org="${LDFLAGS}" + LDFLAGS="$1 ${LDFLAGS}" + + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [temp_check_ldflags_success="yes"],[temp_check_ldflags_success="no"]) + + if test "x$temp_check_ldflags_success" = "xyes"; then + AC_MSG_RESULT([yes]) + [$2] + else + AC_MSG_RESULT([no]) + LDFLAGS="$temp_check_ldflags_org" + [$3] + fi +])# AC_CHECK_LDFLAGS diff --git a/m4/iem_fat.m4 b/m4/iem_fat.m4 new file mode 100644 index 0000000..bb1238d --- /dev/null +++ b/m4/iem_fat.m4 @@ -0,0 +1,52 @@ +dnl Copyright (C) 2005-2006 IOhannes m zmölnig +dnl This file is free software; IOhannes m zmölnig +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([AC_CHECK_FAT], +[ +AC_ARG_ENABLE(fat-binary, + [ --enable-fat-binary=ARCHS + build an Apple Multi Architecture Binary (MAB); + ARCHS is a comma-delimited list of architectures for + which to build; if ARCHS is omitted, then the package + will be built for all architectures supported by the + platform (e.g. "ppc,i386" for MacOS/X and Darwin; + if this option is disabled or omitted entirely, then + the package will be built only for the target + platform], + [fat_binary=$enableval], [fat_binary=no]) +if test "$fat_binary" != no; then + AC_MSG_CHECKING([target architectures]) + + # Respect TARGET_ARCHS setting from environment if available. + if test -z "$TARGET_ARCHS"; then + # Respect ARCH given to --enable-fat-binary if present. + if test "$fat_binary" != yes; then + TARGET_ARCHS=`echo "$fat_binary" | tr ',' ' '` + else + # Choose a default set of architectures based upon platform. + TARGET_ARCHS="ppc i386" + fi + fi + AC_MSG_RESULT([$TARGET_ARCHS]) + + define([Name],[translit([$1],[./-], [___])]) + # /usr/lib/arch_tool -archify_list $TARGET_ARCHS + []Name="" + for archs in $TARGET_ARCHS + do + []Name="$[]Name -arch $archs" + done + + if test "x$[]Name" != "x"; then + AC_CHECK_CFLAGS($[]Name,,[]Name="") + fi + + if test "x$[]Name" != "x"; then + AC_CHECK_LDFLAGS($[]Name,,[]Name="") + fi + + undefine([Name]) +fi +])# AC_CHECK_FAT diff --git a/m4/iem_operatingsystem.m4 b/m4/iem_operatingsystem.m4 new file mode 100644 index 0000000..87726e1 --- /dev/null +++ b/m4/iem_operatingsystem.m4 @@ -0,0 +1,55 @@ +dnl try to figure out the target operating system and set some AM-macros accordingly +dnl +dnl Copyright (C) 2011 IOhannes m zmölnig + + +AC_DEFUN([IEM_OPERATING_SYSTEM], +[ +AC_CANONICAL_HOST + +LINUX=no +ANDROID=no +MACOSX=no +IPHONEOS=no +BSD=no +WINDOWS=no +MINGW=no +CYGWIN=no +HURD=no +IRIX=no + +case $host_os in +*linux*) + LINUX=yes + ;; +*darwin*) + MACOSX=yes + ;; +GNU/kFreeBSD) + BSD=yes + ;; +*mingw*) + WINDOWS=yes + MINGW=yes + ;; +*cygwin*) + WINDOWS=yes + CYGWIN=yes + ;; +GNU) + HURD=yes + ;; +esac + + +AM_CONDITIONAL(LINUX, test x$LINUX = xyes) +AM_CONDITIONAL(ANDROID, test x$ANDROID = xyes) +AM_CONDITIONAL(MACOSX, test x$MACOSX = xyes) +AM_CONDITIONAL(IPHONEOS, test x$IPHONEOS = xyes) +AM_CONDITIONAL(BSD, test x$BSD = xyes) +AM_CONDITIONAL(WINDOWS, test x$WINDOWS = xyes) +AM_CONDITIONAL(CYGWIN, test x$MINGW = xyes) +AM_CONDITIONAL(MINGW, test x$MINGW = xyes) +AM_CONDITIONAL(HURD, test x$HURD = xyes) +AM_CONDITIONAL(IRIX, test x$IRIX = xyes) +]) dnl IEM_OPERATING_SYSTEM diff --git a/m4/iem_simd.m4 b/m4/iem_simd.m4 new file mode 100644 index 0000000..7f89558 --- /dev/null +++ b/m4/iem_simd.m4 @@ -0,0 +1,38 @@ +dnl Copyright (C) 2005-2006 IOhannes m zmölnig +dnl This file is free software; IOhannes m zmölnig +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([AC_CHECK_SIMD], +[ +AC_ARG_ENABLE(simd, + [ --enable-simd=ARCHS + enable SIMD optimization; + valid arguments are: SSE2 + ], + [simd=$enableval], [simd=no]) +if test "$simd" != no; then + AC_MSG_CHECKING([SIMD optimization]) + + # Respect SIMD given to --enable-simd if present. + if test "$simd" != yes; then + SIMD=`echo "$simd" | tr ',' ' '` + else + # Choose a default set of architectures based upon platform. + SIMD="SSE2" + fi + AC_MSG_RESULT([$SIMD]) + + for smd in $SIMD + do + case "${smd}" in + SSE2|sse2) + AC_CHECK_CFLAGS([-mfpmath=sse -msse]) + ;; + *) + AC_MSG_RESULT([unknown SIMD instructions: ${smd}]) + ;; + esac + done +fi +])# AC_CHECK_SIMD |