target_alias=${target_alias-$target}
AC_SUBST(target_alias)
+# Will set LN_S to either 'ln -s' or 'ln'. With autoconf 2.50+, can also
+# be 'cp -p' if linking isn't available.
+#ac_cv_prog_LN_S='cp -p'
+AC_PROG_LN_S
+
# We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR
AC_SUBST(enable_static)
GLIBCPP_CHECK_GNU_MAKE
-
-
AM_CONFIG_HEADER(config.h)
# Check for c++ or library specific bits that don't require linking.
GLIBCPP_ENABLE_CXX_FLAGS([none])
GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
-if test -n "$with_cross_host"; then
+if test -n "$with_cross_host" || test x"$build" != x"$host"; then
- # We are being configured with a cross compiler. AC_REPLACE_FUNCS
- # may not work correctly, because the compiler may not be able to
- # link executables.
- xcompiling=1
- NATIVE=no
+ # We are being configured with some form of cross compiler.
+ # mknumeric_limits may not work correctly, either because the
+ # compiler may not run on this machine, may not be able to link
+ # executables, or may produce executables we can't run on this
+ # machine.
+ GLIBCPP_IS_CROSS_COMPILING=1
# If Canadian cross, then don't pick up tools from the build
# directory.
- if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
+ if test -n "$with_cross_host" && test x"$build" != x"$with_cross_host"; then
CANADIAN=yes
- NULL_TARGET=yes
else
CANADIAN=no
- NULL_TARGET=no
fi
case "$target_alias" in
# We are being configured natively. We can do more elaborate tests
# that include AC_TRY_COMPILE now, as the linker is assumed to be
# working.
- xcompiling=0
- NATIVE=yes
+ GLIBCPP_IS_CROSS_COMPILING=0
CANADIAN=no
- NULL_TARGET=no
# Check for available headers.
AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
AC_FUNC_MMAP
fi
-# Now that ctype is determined for all possible targets, we can do this...
-AC_LINK_FILES($os_include_dir/bits/ctype_base.h, \
-include/bits/ctype_base.h)
-AC_LINK_FILES($os_include_dir/bits/ctype_inline.h, \
-include/bits/ctype_inline.h)
-AC_LINK_FILES($os_include_dir/bits/ctype_noninline.h, \
-include/bits/ctype_noninline.h)
-AC_LINK_FILES($ATOMICITYH/bits/atomicity.h, include/bits/atomicity.h)
-
-AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
-AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
+# Propagate the target-specific source directories through the build chain.
+OS_INC_SRCDIR=$os_include_dir/bits
+ATOMICITY_INC_SRCDIR=$ATOMICITYH/bits
+AC_SUBST(OS_INC_SRCDIR)
+AC_SUBST(ATOMICITY_INC_SRCDIR)
+
+# Set up cross-compile flags
+AC_SUBST(GLIBCPP_IS_CROSS_COMPILING)
AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
AC_CACHE_SAVE
multilib_arg=
fi
-
-# Generate the various Makefiles, include files, and scripts.
-
# Needed so that g++ can find the correct include subdir automatically.
INTERFACE=v3
fi
AC_SUBST(LIBSUPCXX_PICFLAGS)
-# This should be done by mkincludedir, but hack around it now.
-blddir=`pwd`
-echo "checking for $blddir/include"
-
-if test ! -d "$blddir/include"; then
- mkdir "$blddir/include"
-fi
-
+# Generate the various Makefiles, include files, and scripts.
# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am
# and libsupc++/Makefile.am so that multilib installs will end up
# installed in the correct place. To work around this not being passed
# down from config-ml.in -> top_srcdir/Makefile.am ->
# top_srcdir/{src,libsupc++}/Makefile.am, manually append it here.
-AC_OUTPUT(Makefile src/Makefile libmath/Makefile libio/Makefile libsupc++/Makefile testsuite/Makefile mkcheck testsuite_flags,
+AC_OUTPUT(Makefile \
+ include/Makefile src/Makefile \
+ libmath/Makefile libio/Makefile libsupc++/Makefile \
+ testsuite/Makefile mkcheck testsuite_flags,
[if test -n "$CONFIG_FILES"; then
ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
grep '^MULTISUBDIR =' Makefile >> src/Makefile
)
-# Generate bits/c++config.h
-# NB: This must be the first generated file as others include it. . .
-$srcdir/mkc++config $blddir $srcdir
-
-# Generate bits/std_limits.h and src/limitsMEMBERS.cc
-if test ! -f stamp-limits; then
- $srcdir/mknumeric_limits $blddir $srcdir $xcompiling
- if test ! -f include/bits/std_limits.h; then
- echo "mknumeric_limits failed to execute properly: exiting"
- exit 1
- else
- touch stamp-limits
- fi
-fi
-
-
# Sanity checking & User-visible messages.
# Checks down here, otherwise they get scrolled off before
# the user will notice.