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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_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"
[$3]
fi
])# AC_CHECK_LDFLAGS
AC_DEFUN([AC_CHECK_FAT],
[
AC_ARG_ENABLE(fat-binary,
[ --enable-fat-binary=ARCHS
build an Apple Multi Architecture Binary (MAB);
ARCHS is a comma-delimited list of architectures for
which to build; if ARCHS is omitted, then the package
will be built for all architectures supported by the
platform (e.g. "ppc,i386" for MacOS/X and Darwin;
if this option is disabled or omitted entirely, then
the package will be built only for the target
platform],
[fat_binary=$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
|
