2006-04-06 Carlos O'Donell <carlos@codesourcery.com>

[deliverable/binutils-gdb.git] / ld / configure.in

diff --git a/ld/configure.in b/ld/configure.in
index 69c83556b1efebbbd3bc5d692847b3f3eefba472..1c91d59d5142c2f6b85375f85e1f33f4bbf4df62 100644 (file)
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -1,6 +1,6 @@
 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
@@ -34,7 +34,7 @@ AC_ARG_WITH(sysroot,
 [  --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
 [
  case ${with_sysroot} in
- yes) AC_ERROR(with-sysroot must specify path) ;;
+ yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
  *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
  esac
 
@@ -51,7 +51,8 @@ AC_ARG_WITH(sysroot,
   test_prefix=$exec_prefix
  fi
  case ${TARGET_SYSTEM_ROOT} in
- ${test_prefix}*)
+ "${test_prefix}"|"${test_prefix}/"*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
    t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
    TARGET_SYSTEM_ROOT_DEFINE="$t"
    ;;
@@ -65,26 +66,7 @@ AC_SUBST(use_sysroot)
 AC_SUBST(TARGET_SYSTEM_ROOT)
 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
 
-build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
-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)
 
@@ -100,7 +82,7 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
-ALL_LINGUAS="fr sv tr es da"
+ALL_LINGUAS="fr sv tr es da vi zh_CN"
 CY_GNU_GETTEXT
 
 AC_EXEEXT
@@ -118,16 +100,22 @@ AC_SUBST(HOSTING_LIBS)
 AC_SUBST(NATIVE_LIB_DIRS)
 
 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
-AC_CHECK_FUNCS(sbrk realpath)
+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
@@ -255,10 +243,20 @@ case "$target_vendor" in
   hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
   *)  EXTRA_SHLIB_EXTENSION= ;;
 esac
+
+case "$target_os" in
+  lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
+esac
+
 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
   AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
    [Additional extension a shared object might have.])
 fi
 
+dnl Required by html and install-html
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
+
 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])