dnl For AM_LANGINFO_CODESET.
sinclude([../config/codeset.m4])
+sinclude([../config/zlib.m4])
+
#
# Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
# makes configure think it's cross compiling. If --target wasn't used, then
esac
])
-dnl From Bruno Haible.
+dnl Originally from Bruno Haible, but with some modifications
+dnl for the GDB project.
AC_DEFUN([AM_ICONV],
[
dnl those with the standalone portable GNU libiconv installed).
AC_ARG_WITH([libiconv-prefix],
-[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
+ AS_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [
for dir in `echo "$withval" | tr : ' '`; do
- if test -d $dir/include; then LIBICONV_INCLUDE="-I$dir/include"; CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
- if test -d $dir/lib; then LIBICONV_LIBDIR="-L$dir/lib"; LDFLAGS="$LDFLAGS -L$dir/lib"; fi
+ if test -d $dir/include; then LIBICONV_INCLUDE="-I$dir/include"; fi
+ if test -d $dir/lib; then LIBICONV_LIBDIR="-L$dir/lib"; fi
done
])
- BUILD_LIBICONV_LIBDIR="-L../libiconv/lib/.libs -L../libiconv/lib/_libs"
+ BUILD_LIBICONV_LIBDIRS="../libiconv/lib/.libs ../libiconv/lib/_libs"
BUILD_LIBICONV_INCLUDE="-I../libiconv/include"
AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
am_cv_func_iconv="no, consider installing GNU libiconv"
am_cv_lib_iconv=no
am_cv_use_build_libiconv=no
- AC_TRY_LINK([#include <stdlib.h>
+ am_cv_build_libiconv_path=
+
+ # If libiconv is part of the build tree, then try using it over
+ # any system iconv.
+ if test -d ../libiconv; then
+ for lib_dir in $BUILD_LIBICONV_LIBDIRS; do
+ am_save_LIBS="$LIBS"
+ am_save_CPPFLAGS="$CPPFLAGS"
+ LIBS="$LIBS $lib_dir/libiconv.a"
+ CPPFLAGS="$CPPFLAGS $BUILD_LIBICONV_INCLUDE"
+ AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_func_iconv=yes)
+ [iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);],
+ am_cv_use_build_libiconv=yes
+ am_cv_build_libiconv_path=$lib_dir/libiconv.a
+ am_cv_lib_iconv=yes
+ am_cv_func_iconv=yes)
+ LIBS="$am_save_LIBS"
+ CPPFLAGS="$am_save_CPPFLAGS"
+ if test "$am_cv_use_build_libiconv" = "yes"; then
+ break
+ fi
+ done
+ fi
+
+ # Next, try to find iconv in libc.
if test "$am_cv_func_iconv" != yes; then
- am_save_LIBS="$LIBS"
- LIBS="$LIBS -liconv"
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
- am_cv_lib_iconv=yes
am_cv_func_iconv=yes)
- LIBS="$am_save_LIBS"
fi
- # Look for libiconv in the build tree.
- if test "$am_cv_func_iconv" != yes && test -d ../libiconv; then
- am_save_LIBS="$LIBS"
+
+ # If iconv was not in libc, try -liconv. In this case, arrange to
+ # look in the libiconv prefix, if it was specified by the user.
+ if test "$am_cv_func_iconv" != yes; then
am_save_CPPFLAGS="$CPPFLAGS"
- LIBS="$LIBS $BUILD_LIBICONV_LIBDIR -liconv"
- CPPFLAGS="$CPPFLAGS $BUILD_LIBICONV_INCLUDE"
+ am_save_LIBS="$LIBS"
+ if test -n "$LIBICONV_INCLUDE"; then
+ CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE"
+ LIBS="$LIBS $LIBICONV_LIBDIR"
+ fi
+ LIBS="$LIBS -liconv"
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
CPPFLAGS="$am_save_CPPFLAGS"
fi
])
+
+ # Set the various flags based on the cache variables. We can't rely
+ # on the flags to remain set from the above code, due to caching.
LIBICONV=
if test "$am_cv_lib_iconv" = yes; then
LIBICONV="-liconv"
+ else
+ LIBICONV_LIBDIR=
+ LIBICONV_INCLUDE=
fi
if test "$am_cv_use_build_libiconv" = yes; then
- LIBICONV_LIBDIR="$BUILD_LIBICONV_LIBDIR"
+ LIBICONV="$am_cv_build_libiconv_path"
+ LIBICONV_LIBDIR=""
LIBICONV_INCLUDE="$BUILD_LIBICONV_INCLUDE"
fi
CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE"
LIBS="$LIBS $LIBICONV_LIBDIR $LIBICONV"
+
if test "$am_cv_func_iconv" = yes; then
AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
AC_MSG_CHECKING([for iconv declaration])
AC_MSG_RESULT(${private_dir})
fi
])
+
+dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE])
+dnl For use in processing directory values for --with-foo.
+dnl If the path in SHELL_VARIABLE is relative to the prefix, then the
+dnl result is relocatable, then this will define the C macro
+dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
+AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [
+ if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
+ else
+ test_prefix=$exec_prefix
+ fi
+ value=0
+ case [$3] in
+ "${test_prefix}"|"${test_prefix}/"*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
+ value=1
+ ;;
+ esac
+ AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.])
+])
+
+dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT])
+dnl Add a new --with option that defines a directory.
+dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called
+dnl on this variable, as is AC_SUBST.
+dnl ARG-NAME is the base name of the argument (without "--with").
+dnl HELP is the help text to use.
+dnl If the user's choice is relative to the prefix, then the
+dnl result is relocatable, then this will define the C macro
+dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
+dnl DEFAULT is the default value, which is used if the user
+dnl does not specify the argument.
+AC_DEFUN([GDB_AC_WITH_DIR], [
+ AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [
+ [$1]=$withval], [[$1]=[$4]])
+ AC_DEFINE_DIR([$1], [$1], [$3])
+ AC_SUBST([$1])
+ GDB_AC_DEFINE_RELOCATABLE([$1], [$2], ${ac_define_dir})
+ ])
projects / deliverable / binutils-gdb.git / blobdiff