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dnl This is the newlib/libc/machine/arm configure.in file.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT([newlib],[NEWLIB_VERSION])
AC_CONFIG_SRCDIR([Makefile.am])
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../../..)
NEWLIB_CONFIGURE(../../..)
dnl Check for Thumb1 supported.
AC_CACHE_CHECK(whether we are using thumb1,
acnewlib_cv_thumb1_processor, [dnl
cat > conftest.c <<EOF
#if defined (__thumb__) && !defined (__thumb2__)
#define _THUMB1
#else
#error "not thumb1"
#endif
int main () {
return 0;
}
EOF
if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
1>&AS_MESSAGE_LOG_FD])
then
acnewlib_cv_thumb1_processor=yes;
else
acnewlib_cv_thumb1_processor=no;
fi
rm -f conftest*])
AM_CONDITIONAL(HAVE_THUMB1, test x"$acnewlib_cv_thumb1_processor" = x"yes")
dnl Check for whether the size is preferred.
AC_CACHE_CHECK(whether the size is preferred,
acnewlib_cv_opt_size, [dnl
cat > conftest.c <<EOF
#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)
#define OPT_SIZE
#else
#error "not need for size optimization."
#endif
int main () {
return 0;
}
EOF
if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
1>&AS_MESSAGE_LOG_FD])
then
acnewlib_cv_opt_size=yes;
else
acnewlib_cv_opt_size=no;
fi
rm -f conftest*])
AM_CONDITIONAL(OPT_SIZE, test x"$acnewlib_cv_opt_size" = x"yes")
AC_SUBST(CFLAGS)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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