dnl This provides configure definitions used by all the newlib
|
dnl This provides configure definitions used by all the newlib
|
dnl configure.in files.
|
dnl configure.in files.
|
|
|
AC_DEFUN([DEF_NEWLIB_VERSION],
|
AC_DEFUN([DEF_NEWLIB_VERSION],
|
m4_define([NEWLIB_VERSION],[1.17.0]))
|
m4_define([NEWLIB_VERSION],[1.17.0]))
|
|
|
dnl Basic newlib configury. This calls basic introductory stuff,
|
dnl Basic newlib configury. This calls basic introductory stuff,
|
dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs
|
dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs
|
dnl configure.host. The only argument is the relative path to the top
|
dnl configure.host. The only argument is the relative path to the top
|
dnl newlib directory.
|
dnl newlib directory.
|
|
|
AC_DEFUN([NEWLIB_CONFIGURE],
|
AC_DEFUN([NEWLIB_CONFIGURE],
|
[AC_REQUIRE([DEF_NEWLIB_VERSION])
|
[AC_REQUIRE([DEF_NEWLIB_VERSION])
|
dnl Default to --enable-multilib
|
dnl Default to --enable-multilib
|
AC_ARG_ENABLE(multilib,
|
AC_ARG_ENABLE(multilib,
|
[ --enable-multilib build many library versions (default)],
|
[ --enable-multilib build many library versions (default)],
|
[case "${enableval}" in
|
[case "${enableval}" in
|
yes) multilib=yes ;;
|
yes) multilib=yes ;;
|
no) multilib=no ;;
|
no) multilib=no ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
|
esac], [multilib=yes])dnl
|
esac], [multilib=yes])dnl
|
|
|
dnl Support --enable-target-optspace
|
dnl Support --enable-target-optspace
|
AC_ARG_ENABLE(target-optspace,
|
AC_ARG_ENABLE(target-optspace,
|
[ --enable-target-optspace optimize for space],
|
[ --enable-target-optspace optimize for space],
|
[case "${enableval}" in
|
[case "${enableval}" in
|
yes) target_optspace=yes ;;
|
yes) target_optspace=yes ;;
|
no) target_optspace=no ;;
|
no) target_optspace=no ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
|
esac], [target_optspace=])dnl
|
esac], [target_optspace=])dnl
|
|
|
dnl Support --enable-malloc-debugging - currently only supported for Cygwin
|
dnl Support --enable-malloc-debugging - currently only supported for Cygwin
|
AC_ARG_ENABLE(malloc-debugging,
|
AC_ARG_ENABLE(malloc-debugging,
|
[ --enable-malloc-debugging indicate malloc debugging requested],
|
[ --enable-malloc-debugging indicate malloc debugging requested],
|
[case "${enableval}" in
|
[case "${enableval}" in
|
yes) malloc_debugging=yes ;;
|
yes) malloc_debugging=yes ;;
|
no) malloc_debugging=no ;;
|
no) malloc_debugging=no ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;
|
esac], [malloc_debugging=])dnl
|
esac], [malloc_debugging=])dnl
|
|
|
dnl Support --enable-newlib-multithread
|
dnl Support --enable-newlib-multithread
|
AC_ARG_ENABLE(newlib-multithread,
|
AC_ARG_ENABLE(newlib-multithread,
|
[ --enable-newlib-multithread enable support for multiple threads],
|
[ --enable-newlib-multithread enable support for multiple threads],
|
[case "${enableval}" in
|
[case "${enableval}" in
|
yes) newlib_multithread=yes ;;
|
yes) newlib_multithread=yes ;;
|
no) newlib_multithread=no ;;
|
no) newlib_multithread=no ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-multithread option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-multithread option) ;;
|
esac], [newlib_multithread=yes])dnl
|
esac], [newlib_multithread=yes])dnl
|
|
|
dnl Support --enable-newlib-iconv
|
dnl Support --enable-newlib-iconv
|
AC_ARG_ENABLE(newlib-iconv,
|
AC_ARG_ENABLE(newlib-iconv,
|
[ --enable-newlib-iconv enable iconv library support],
|
[ --enable-newlib-iconv enable iconv library support],
|
[if test "${newlib_iconv+set}" != set; then
|
[if test "${newlib_iconv+set}" != set; then
|
case "${enableval}" in
|
case "${enableval}" in
|
yes) newlib_iconv=yes ;;
|
yes) newlib_iconv=yes ;;
|
no) newlib_iconv=no ;;
|
no) newlib_iconv=no ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-iconv option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-iconv option) ;;
|
esac
|
esac
|
fi], [newlib_iconv=${newlib_iconv}])dnl
|
fi], [newlib_iconv=${newlib_iconv}])dnl
|
|
|
dnl Support --enable-newlib-elix-level
|
dnl Support --enable-newlib-elix-level
|
AC_ARG_ENABLE(newlib-elix-level,
|
AC_ARG_ENABLE(newlib-elix-level,
|
[ --enable-newlib-elix-level supply desired elix library level (1-4)],
|
[ --enable-newlib-elix-level supply desired elix library level (1-4)],
|
[case "${enableval}" in
|
[case "${enableval}" in
|
0) newlib_elix_level=0 ;;
|
0) newlib_elix_level=0 ;;
|
1) newlib_elix_level=1 ;;
|
1) newlib_elix_level=1 ;;
|
2) newlib_elix_level=2 ;;
|
2) newlib_elix_level=2 ;;
|
3) newlib_elix_level=3 ;;
|
3) newlib_elix_level=3 ;;
|
4) newlib_elix_level=4 ;;
|
4) newlib_elix_level=4 ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-elix-level option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-elix-level option) ;;
|
esac], [newlib_elix_level=0])dnl
|
esac], [newlib_elix_level=0])dnl
|
|
|
dnl Support --disable-newlib-io-float
|
dnl Support --disable-newlib-io-float
|
AC_ARG_ENABLE(newlib-io-float,
|
AC_ARG_ENABLE(newlib-io-float,
|
[ --disable-newlib-io-float disable printf/scanf family float support],
|
[ --disable-newlib-io-float disable printf/scanf family float support],
|
[case "${enableval}" in
|
[case "${enableval}" in
|
yes) newlib_io_float=yes ;;
|
yes) newlib_io_float=yes ;;
|
no) newlib_io_float=no ;;
|
no) newlib_io_float=no ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
|
esac], [newlib_io_float=yes])dnl
|
esac], [newlib_io_float=yes])dnl
|
|
|
dnl Support --disable-newlib-supplied-syscalls
|
dnl Support --disable-newlib-supplied-syscalls
|
AC_ARG_ENABLE(newlib-supplied-syscalls,
|
AC_ARG_ENABLE(newlib-supplied-syscalls,
|
[ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],
|
[ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],
|
[case "${enableval}" in
|
[case "${enableval}" in
|
yes) newlib_may_supply_syscalls=yes ;;
|
yes) newlib_may_supply_syscalls=yes ;;
|
no) newlib_may_supply_syscalls=no ;;
|
no) newlib_may_supply_syscalls=no ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;
|
esac], [newlib_may_supply_syscalls=yes])dnl
|
esac], [newlib_may_supply_syscalls=yes])dnl
|
|
|
AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes)
|
AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes)
|
|
|
dnl We may get other options which we don't document:
|
dnl We may get other options which we don't document:
|
dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
|
dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
|
|
|
test -z "[$]{with_target_subdir}" && with_target_subdir=.
|
test -z "[$]{with_target_subdir}" && with_target_subdir=.
|
|
|
if test "[$]{srcdir}" = "."; then
|
if test "[$]{srcdir}" = "."; then
|
if test "[$]{with_target_subdir}" != "."; then
|
if test "[$]{with_target_subdir}" != "."; then
|
newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
|
newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
|
else
|
else
|
newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
|
newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
|
fi
|
fi
|
else
|
else
|
newlib_basedir="[$]{srcdir}/$1"
|
newlib_basedir="[$]{srcdir}/$1"
|
fi
|
fi
|
AC_SUBST(newlib_basedir)
|
AC_SUBST(newlib_basedir)
|
|
|
AC_CANONICAL_HOST
|
AC_CANONICAL_HOST
|
|
|
AM_INIT_AUTOMAKE([cygnus no-define 1.9.5])
|
AM_INIT_AUTOMAKE([cygnus no-define 1.9.5])
|
|
|
# FIXME: We temporarily define our own version of AC_PROG_CC. This is
|
# FIXME: We temporarily define our own version of AC_PROG_CC. This is
|
# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
|
# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
|
# are probably using a cross compiler, which will not be able to fully
|
# are probably using a cross compiler, which will not be able to fully
|
# link an executable. This should really be fixed in autoconf
|
# link an executable. This should really be fixed in autoconf
|
# itself.
|
# itself.
|
|
|
AC_DEFUN([LIB_AC_PROG_CC_GNU],
|
AC_DEFUN([LIB_AC_PROG_CC_GNU],
|
[AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc,
|
[AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc,
|
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
|
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
|
cat > conftest.c <<EOF
|
cat > conftest.c <<EOF
|
#ifdef __GNUC__
|
#ifdef __GNUC__
|
yes;
|
yes;
|
#endif
|
#endif
|
EOF
|
EOF
|
if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then
|
if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then
|
ac_cv_prog_gcc=yes
|
ac_cv_prog_gcc=yes
|
else
|
else
|
ac_cv_prog_gcc=no
|
ac_cv_prog_gcc=no
|
fi])])
|
fi])])
|
|
|
AC_DEFUN([LIB_AM_PROG_AS],
|
AC_DEFUN([LIB_AM_PROG_AS],
|
[# By default we simply use the C compiler to build assembly code.
|
[# By default we simply use the C compiler to build assembly code.
|
AC_REQUIRE([LIB_AC_PROG_CC])
|
AC_REQUIRE([LIB_AC_PROG_CC])
|
test "${CCAS+set}" = set || CCAS=$CC
|
test "${CCAS+set}" = set || CCAS=$CC
|
test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
|
test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
|
AC_ARG_VAR([CCAS], [assembler compiler command (defaults to CC)])
|
AC_ARG_VAR([CCAS], [assembler compiler command (defaults to CC)])
|
AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)])
|
AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)])
|
])
|
])
|
|
|
AC_DEFUN([LIB_AC_PROG_CC],
|
AC_DEFUN([LIB_AC_PROG_CC],
|
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
|
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
|
AC_CHECK_PROG(CC, gcc, gcc)
|
AC_CHECK_PROG(CC, gcc, gcc)
|
_AM_DEPENDENCIES(CC)
|
_AM_DEPENDENCIES(CC)
|
if test -z "$CC"; then
|
if test -z "$CC"; then
|
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
|
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
|
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
|
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
|
fi
|
fi
|
|
|
LIB_AC_PROG_CC_GNU
|
LIB_AC_PROG_CC_GNU
|
|
|
if test $ac_cv_prog_gcc = yes; then
|
if test $ac_cv_prog_gcc = yes; then
|
GCC=yes
|
GCC=yes
|
dnl Check whether -g works, even if CFLAGS is set, in case the package
|
dnl Check whether -g works, even if CFLAGS is set, in case the package
|
dnl plays around with CFLAGS (such as to build both debugging and
|
dnl plays around with CFLAGS (such as to build both debugging and
|
dnl normal versions of a library), tasteless as that idea is.
|
dnl normal versions of a library), tasteless as that idea is.
|
ac_test_CFLAGS="${CFLAGS+set}"
|
ac_test_CFLAGS="${CFLAGS+set}"
|
ac_save_CFLAGS="$CFLAGS"
|
ac_save_CFLAGS="$CFLAGS"
|
CFLAGS=
|
CFLAGS=
|
_AC_PROG_CC_G
|
_AC_PROG_CC_G
|
if test "$ac_test_CFLAGS" = set; then
|
if test "$ac_test_CFLAGS" = set; then
|
CFLAGS="$ac_save_CFLAGS"
|
CFLAGS="$ac_save_CFLAGS"
|
elif test $ac_cv_prog_cc_g = yes; then
|
elif test $ac_cv_prog_cc_g = yes; then
|
CFLAGS="-g -O2"
|
CFLAGS="-g -O2"
|
else
|
else
|
CFLAGS="-O2"
|
CFLAGS="-O2"
|
fi
|
fi
|
else
|
else
|
GCC=
|
GCC=
|
test "${CFLAGS+set}" = set || CFLAGS="-g"
|
test "${CFLAGS+set}" = set || CFLAGS="-g"
|
fi
|
fi
|
])
|
])
|
|
|
LIB_AC_PROG_CC
|
LIB_AC_PROG_CC
|
|
|
AC_CHECK_TOOL(AS, as)
|
AC_CHECK_TOOL(AS, as)
|
AC_CHECK_TOOL(AR, ar)
|
AC_CHECK_TOOL(AR, ar)
|
AC_CHECK_TOOL(RANLIB, ranlib, :)
|
AC_CHECK_TOOL(RANLIB, ranlib, :)
|
AC_CHECK_TOOL(READELF, readelf, :)
|
AC_CHECK_TOOL(READELF, readelf, :)
|
|
|
AC_PROG_INSTALL
|
AC_PROG_INSTALL
|
|
|
# Hack to ensure that INSTALL won't be set to "../" with autoconf 2.13. */
|
# Hack to ensure that INSTALL won't be set to "../" with autoconf 2.13. */
|
ac_given_INSTALL=$INSTALL
|
ac_given_INSTALL=$INSTALL
|
|
|
AM_MAINTAINER_MODE
|
AM_MAINTAINER_MODE
|
LIB_AM_PROG_AS
|
LIB_AM_PROG_AS
|
|
|
# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
|
# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
|
# at least currently, we never actually build a program, so we never
|
# at least currently, we never actually build a program, so we never
|
# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
|
# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
|
# fails, because we are probably configuring with a cross compiler
|
# fails, because we are probably configuring with a cross compiler
|
# which can't create executables. So we include AC_EXEEXT to keep
|
# which can't create executables. So we include AC_EXEEXT to keep
|
# automake happy, but we don't execute it, since we don't care about
|
# automake happy, but we don't execute it, since we don't care about
|
# the result.
|
# the result.
|
if false; then
|
if false; then
|
AC_EXEEXT
|
AC_EXEEXT
|
dummy_var=1
|
dummy_var=1
|
fi
|
fi
|
|
|
. [$]{newlib_basedir}/configure.host
|
. [$]{newlib_basedir}/configure.host
|
|
|
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
|
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
|
|
|
NEWLIB_CFLAGS=${newlib_cflags}
|
NEWLIB_CFLAGS=${newlib_cflags}
|
AC_SUBST(NEWLIB_CFLAGS)
|
AC_SUBST(NEWLIB_CFLAGS)
|
|
|
LDFLAGS=${ldflags}
|
LDFLAGS=${ldflags}
|
AC_SUBST(LDFLAGS)
|
AC_SUBST(LDFLAGS)
|
|
|
AM_CONDITIONAL(ELIX_LEVEL_0, test x[$]{newlib_elix_level} = x0)
|
AM_CONDITIONAL(ELIX_LEVEL_0, test x[$]{newlib_elix_level} = x0)
|
AM_CONDITIONAL(ELIX_LEVEL_1, test x[$]{newlib_elix_level} = x1)
|
AM_CONDITIONAL(ELIX_LEVEL_1, test x[$]{newlib_elix_level} = x1)
|
AM_CONDITIONAL(ELIX_LEVEL_2, test x[$]{newlib_elix_level} = x2)
|
AM_CONDITIONAL(ELIX_LEVEL_2, test x[$]{newlib_elix_level} = x2)
|
AM_CONDITIONAL(ELIX_LEVEL_3, test x[$]{newlib_elix_level} = x3)
|
AM_CONDITIONAL(ELIX_LEVEL_3, test x[$]{newlib_elix_level} = x3)
|
AM_CONDITIONAL(ELIX_LEVEL_4, test x[$]{newlib_elix_level} = x4)
|
AM_CONDITIONAL(ELIX_LEVEL_4, test x[$]{newlib_elix_level} = x4)
|
|
|
AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
|
AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
|
|
|
# Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we
|
# Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we
|
# use oext, which is set in configure.host based on the target platform.
|
# use oext, which is set in configure.host based on the target platform.
|
OBJEXT=${oext}
|
OBJEXT=${oext}
|
|
|
AC_SUBST(OBJEXT)
|
AC_SUBST(OBJEXT)
|
AC_SUBST(oext)
|
AC_SUBST(oext)
|
AC_SUBST(aext)
|
AC_SUBST(aext)
|
AC_SUBST(lpfx)
|
AC_SUBST(lpfx)
|
|
|
AC_SUBST(libm_machine_dir)
|
AC_SUBST(libm_machine_dir)
|
AC_SUBST(machine_dir)
|
AC_SUBST(machine_dir)
|
AC_SUBST(sys_dir)
|
AC_SUBST(sys_dir)
|
])
|
])
|
|
|
