no) want64=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl
+
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
[case "${enableval}" in
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])dnl
+
AC_ARG_ENABLE(commonbfdlib,
[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
[case "${enableval}" in
no) commonbfdlib=false ;;
*) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
esac])dnl
+
AC_ARG_WITH(mmap,
[ --with-mmap try using mmap for BFD input files if available],
[case "${withval}" in
fi
DEBUGDIR=${libdir}/debug
-
AC_ARG_WITH(separate-debug-dir,
AS_HELP_STRING([--with-separate-debug-dir=DIR],
[Look for global separate debug info in DIR [[default=LIBDIR/debug]]]),
[DEBUGDIR="${withval}"])
AC_SUBST(DEBUGDIR)
+# Check to see if we should allow the generation of
+# symbols with the ELF standard's STT_COMMON type.
+AC_ARG_ENABLE(elf-stt-common,
+[ --enable-elf-stt-common Allow the generation of ELF symbols with the STT_COMMON type],
+[case "${enableval}" in
+ yes) want_elf_stt_common=true ;;
+ no) want_elf_stt_common=false ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for ELF STT_COMMON option) ;;
+ esac],
+# We have to choose a default behaviour. For native builds we could
+# test whether the loader supports the STT_COMMON type, but that would
+# mean that built binaries could not be exported to older systems where
+# the loader does not support it. So by default we always choose to
+# disable this feature.
+ want_elf_stt_common=false)dnl
+if test $want_elf_stt_common = true; then
+ AC_DEFINE(USE_STT_COMMON, 1,
+ [Define if we may generate symbols with ELF's STT_COMMON type])
+fi
+
ACX_PKGVERSION([GNU Binutils])
ACX_BUGURL([http://www.sourceware.org/bugzilla/])
BFD_CC_FOR_BUILD
-AC_CHECK_HEADERS(stddef.h string.h strings.h stdlib.h time.h unistd.h)
+AC_CHECK_HEADERS(alloca.h stddef.h string.h strings.h stdlib.h time.h unistd.h)
AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h)
GCC_HEADER_STDINT(bfd_stdint.h)
AC_HEADER_TIME