dnl Process this file with autoconf to produce a configure script
dnl
-AC_PREREQ(2.13)
+AC_PREREQ(2.57)
AC_INIT(ldmain.c)
AC_CANONICAL_SYSTEM
AC_SUBST(TARGET_SYSTEM_ROOT)
AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
-build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
-
-AC_ARG_ENABLE(error-on-warning,
- [ --enable-error-on-warning treat compile warnings as errors],
- [case "${enableval}" in
- yes | y) ERROR_ON_WARNING="yes" ;;
- no | n) ERROR_ON_WARNING="no" ;;
- *) AC_MSG_ERROR(bad value ${enableval} for --enable-error-on-warning) ;;
- esac])
-
-# Enable -Werror by default, suppressing it only for --disable-error-on-warning
-# or --disable-build-warnings.
-if test "${ERROR_ON_WARNING}" != no
-then
- build_warnings="$build_warnings -Werror"
-fi
-
-AC_ARG_ENABLE(build-warnings,
-[ --enable-build-warnings enable build-time compiler warnings if gcc is used],
-[case "${enableval}" in
- yes) ;;
- no) build_warnings="-w";;
- ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
- build_warnings="${build_warnings} ${t}";;
- *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
- build_warnings="${t} ${build_warnings}";;
- *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
-esac
-if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
- echo "Setting warning flags = $build_warnings" 6>&1
-fi])dnl
-WARN_CFLAGS=""
-if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
- WARN_CFLAGS="${build_warnings}"
-fi
-AC_SUBST(WARN_CFLAGS)
+AM_BINUTILS_WARNINGS
AM_CONFIG_HEADER(config.h:config.in)
AC_CHECK_FUNCS(sbrk realpath glob)
AC_HEADER_DIRENT
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
+[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
+ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
+if test $ld_cv_decl_getopt_unistd_h = yes; then
+ AC_DEFINE([HAVE_DECL_GETOPT], 1,
+ [Is the prototype for getopt in <unistd.h> in the expected format?])
+fi
+
BFD_BINARY_FOPEN
-BFD_NEED_DECLARATION(strstr)
-BFD_NEED_DECLARATION(free)
-BFD_NEED_DECLARATION(sbrk)
-BFD_NEED_DECLARATION(getenv)
-BFD_NEED_DECLARATION(environ)
+AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
# When converting linker scripts into strings for use in emulation
# files, use astring.sed if the compiler supports ANSI string
all_targets=true
else
# Canonicalize the secondary target names.
- result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
+ result=`$ac_config_sub $targ_alias 2>/dev/null`
if test -n "$result"; then
targ=$result
else