93 lines
2.2 KiB
Plaintext
93 lines
2.2 KiB
Plaintext
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")
|
|
|
|
dnl Check for whether ARM_7 or ARM_ARCH_6T2 is defined.
|
|
dnl This macro is used to support memchr() for old CPU.
|
|
AC_CACHE_CHECK(whether armv7 processor is supported,
|
|
acnewlib_cv_armv7_processor, [dnl
|
|
cat > conftest.c <<EOF
|
|
|
|
#if defined (_ISA_ARM_7) || defined (__ARM_ARCH_6T2__)
|
|
#define HAVE_ARMV7
|
|
#else
|
|
#error "ARMV7 is not supported."
|
|
#endif
|
|
int main () {
|
|
return 0;
|
|
}
|
|
EOF
|
|
if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
|
|
1>&AS_MESSAGE_LOG_FD])
|
|
then
|
|
acnewlib_cv_armv7_processor=yes;
|
|
else
|
|
acnewlib_cv_armv7_processor=no;
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
AM_CONDITIONAL(HAVE_ARMV7, test x"$acnewlib_cv_armv7_processor" = x"yes")
|
|
|
|
AC_SUBST(CFLAGS)
|
|
|
|
AC_CONFIG_FILES([Makefile])
|
|
AC_OUTPUT
|