dnl -*-fundamental-*- *@--GLOB-HEADER--@*
dnl
-dnl $Id: aclocal.glob,v 1.13 2001/02/23 09:07:24 mdw Exp $
+dnl $Id: aclocal.glob,v 1.14 2002/02/03 19:15:15 mdw Exp $
dnl
dnl Common library of autoconf macros
dnl
dnl----- Revision history ---------------------------------------------------
dnl
dnl $Log: aclocal.glob,v $
+dnl Revision 1.14 2002/02/03 19:15:15 mdw
+dnl Add SDL-finding equipment. Quote some macro names which need it. Add
+dnl long-overdue macros for expanding configured paths (and do it
+dnl properly).
+dnl
dnl Revision 1.13 2001/02/23 09:07:24 mdw
dnl Restore temporary variable on exit.
dnl
dnl----- Common files distribution --------------------------- *@--NOTICE--@*
dnl
-dnl $Id: aclocal.glob,v 1.13 2001/02/23 09:07:24 mdw Exp $
+dnl $Id: aclocal.glob,v 1.14 2002/02/03 19:15:15 mdw Exp $
dnl --- *@-AM_PROG_CC_STDC-@* ---
dnl
rm -f conf.gtktest
])
+dnl --- *@-AM_PATH_SDL-@* ---
+dnl
+dnl Author: Sam Langinga
+dnl
+dnl Synopsis: AM_PATH_SDL([VERSION, [IF-FOUND, [IF-NOT-FOUND]]])
+dnl
+dnl Arguments: VERSION = minimum required version
+dnl IF-FOUND = what to do if found
+dnl IF-NOT-FOUND = what to do if not found
+dnl
+dnl Use: Test for SDL, and define SDL_CFLAGS and SDL_LIBS
+
+# Configure paths for SDL
+# Sam Lantinga 9/21/99
+# stolen from Manish Singh
+# stolen back from Frank Belew
+# stolen from Manish Singh
+# Shamelessly stolen from Owen Taylor
+
+dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
+dnl
+AC_DEFUN(AM_PATH_SDL,
+[dnl
+dnl Get the cflags and libraries from the sdl-config script
+dnl
+AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
+ sdl_prefix="$withval", sdl_prefix="")
+AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
+ sdl_exec_prefix="$withval", sdl_exec_prefix="")
+AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
+ , enable_sdltest=yes)
+
+ if test x$sdl_exec_prefix != x ; then
+ sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
+ if test x${SDL_CONFIG+set} != xset ; then
+ SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
+ fi
+ fi
+ if test x$sdl_prefix != x ; then
+ sdl_args="$sdl_args --prefix=$sdl_prefix"
+ if test x${SDL_CONFIG+set} != xset ; then
+ SDL_CONFIG=$sdl_prefix/bin/sdl-config
+ fi
+ fi
+
+ AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
+ min_sdl_version=ifelse([$1], ,0.11.0,$1)
+ AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
+ no_sdl=""
+ if test "$SDL_CONFIG" = "no" ; then
+ no_sdl=yes
+ else
+ SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
+ SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
+
+ sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+ if test "x$enable_sdltest" = "xyes" ; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $SDL_CFLAGS"
+ LIBS="$LIBS $SDL_LIBS"
+dnl
+dnl Now check if the installed SDL is sufficiently new. (Also sanity
+dnl checks the results of sdl-config to some extent
+dnl
+ rm -f conf.sdltest
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "SDL.h"
+
+char*
+my_strdup (char *str)
+{
+ char *new_str;
+
+ if (str)
+ {
+ new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
+ strcpy (new_str, str);
+ }
+ else
+ new_str = NULL;
+
+ return new_str;
+}
+
+int main (int argc, char *argv[])
+{
+ int major, minor, micro;
+ char *tmp_version;
+
+ /* This hangs on some systems (?)
+ system ("touch conf.sdltest");
+ */
+ { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
+
+ /* HP/UX 9 (%@#!) writes to sscanf strings */
+ tmp_version = my_strdup("$min_sdl_version");
+ if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
+ printf("%s, bad version string\n", "$min_sdl_version");
+ exit(1);
+ }
+
+ if (($sdl_major_version > major) ||
+ (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
+ (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
+ {
+ return 0;
+ }
+ else
+ {
+ printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
+ printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
+ printf("*** best to upgrade to the required version.\n");
+ printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
+ printf("*** to point to the correct copy of sdl-config, and remove the file\n");
+ printf("*** config.cache before re-running configure\n");
+ return 1;
+ }
+}
+
+],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ if test "x$no_sdl" = x ; then
+ AC_MSG_RESULT(yes)
+ ifelse([$2], , :, [$2])
+ else
+ AC_MSG_RESULT(no)
+ if test "$SDL_CONFIG" = "no" ; then
+ echo "*** The sdl-config script installed by SDL could not be found"
+ echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
+ echo "*** your path, or set the SDL_CONFIG environment variable to the"
+ echo "*** full path to sdl-config."
+ else
+ if test -f conf.sdltest ; then
+ :
+ else
+ echo "*** Could not run SDL test program, checking why..."
+ CFLAGS="$CFLAGS $SDL_CFLAGS"
+ LIBS="$LIBS $SDL_LIBS"
+ AC_TRY_LINK([
+#include <stdio.h>
+#include "SDL.h"
+], [ return 0; ],
+ [ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding SDL or finding the wrong"
+ echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
+ echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+ echo "*** to the installed location Also, make sure you have run ldconfig if that"
+ echo "*** is required on your system"
+ echo "***"
+ echo "*** If you have an old version installed, it is best to remove it, although"
+ echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+ [ echo "*** The test program failed to compile or link. See the file config.log for the"
+ echo "*** exact error that occured. This usually means SDL was incorrectly installed"
+ echo "*** or that you have moved SDL since it was installed. In the latter case, you"
+ echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ SDL_CFLAGS=""
+ SDL_LIBS=""
+ ifelse([$3], , :, [$3])
+ fi
+ AC_SUBST(SDL_CFLAGS)
+ AC_SUBST(SDL_LIBS)
+ rm -f conf.sdltest
+])
+
dnl --- *@-AC_TYPE_PTRDIFF_T-@* ---
dnl
dnl Author: Ulrich Drepper
dnl
dnl Use: Like `AC_REQUIRE', only it handles arguments.
-AC_DEFUN(mdw_REQUIRE,
+AC_DEFUN([mdw_REQUIRE],
[ifdef([AC_PROVIDE_$1], ,
[AC_DIVERT_PUSH(builtin(eval, AC_DIVERSION_CURRENT - 1))dnl
indir($@)
dnl Finally, a check is made for the function `wresize' using
dnl AC_CHECK_FUNCS.
-AC_DEFUN(mdw_CURSES,
+AC_DEFUN([mdw_CURSES],
[mdw_CHECK_MANYLIBS(newwin, ncurses curses, AC_DEFINE(HAVE_CURSES))
if test $mdw_cv_lib_newwin != no; then
AC_CHECK_HEADERS([ncurses.h ncurses/ncurses.h curses.h], [break])
dnl Use: Checks whether the Posix type `ssize_t' is defined. If not,
dnl it defaults to `int'.
-AC_DEFUN(mdw_TYPE_SSIZE_T,
+AC_DEFUN([mdw_TYPE_SSIZE_T],
[AC_REQUIRE([AC_HEADER_STDC])
AC_CACHE_CHECK(for ssize_t, mdw_cv_ssize_t,
[AC_EGREP_CPP(ssize_t,
dnl If one is found in one of the `usual' places, DECL_ENVIRON
dnl is defined as a preprocessor symbol.
-AC_DEFUN(mdw_DECL_ENVIRON,
+AC_DEFUN([mdw_DECL_ENVIRON],
[AC_CACHE_CHECK([for declaration of \`environ'], mdw_cv_environ,
[AC_EGREP_CPP(environ,
[#include <sys/types.h>
dnl `-lnsl' then you get non-NIS-aware versions of getpwnam and
dnl so on, which is clearly a Bad Thing.
-AC_DEFUN(mdw_CHECK_MANYLIBS,
+AC_DEFUN([mdw_CHECK_MANYLIBS],
[AC_CACHE_CHECK([for library containing $1], [mdw_cv_lib_$1],
[mdw_save_LIBS="$LIBS"
mdw_cv_lib_$1="no"
dnl AC_DEFUN relies on `[', `]' being quotes, so I have to drop down a level.
changequote(<<, >>)
-define(mdw__PERL_VERSION, <<$1 -e 'exit ($] < $2);' >&5 2>&5>>)
+define([mdw__PERL_VERSION], <<$1 -e 'exit ($] < $2);' >&5 2>&5>>)
changequote([, ])
dnl --- *@-mdw_PROG_PERL-@* ---
dnl to substitute its value into Perl scripts. If there is no
dnl Perl to be found, the value of `PERL' is set to be `none'.
-AC_DEFUN(mdw_PROG_PERL,
+AC_DEFUN([mdw_PROG_PERL],
[AC_ARG_WITH([perl],
[ --with-perl=PERL specify path to Perl version $1 or newer],
[PERL="$withval"],
dnl variable actually works and is of the right version. If it's
dnl not, an error is raised and configuration is aborted.
-AC_DEFUN(mdw_CHECK_PERL,
+AC_DEFUN([mdw_CHECK_PERL],
[mdw_REQUIRE([mdw_PROG_PERL], [$1])
AC_MSG_CHECKING([whether Perl ($PERL) works])
if test "$PERL" != "none" && mdw__PERL_VERSION("$PERL", $1); then
dnl This macro isn't terribly useful in the general case. It
dnl Also implicitly assumes that `$PERL' is Perl 5 or later.
-AC_DEFUN(mdw__PERLLIB_INIT,
+AC_DEFUN([mdw__PERLLIB_INIT],
[AC_SUBST(INC_PERLLIBS)dnl
AC_SUBST(NEEDED_PERLLIBS)dnl
])
-AC_DEFUN(mdw_PERLLIB_CHECK,
+AC_DEFUN([mdw_PERLLIB_CHECK],
[AC_REQUIRE([mdw__PERLLIB_INIT])
mdw_REQUIRE([mdw_CHECK_PERL], 5)
AC_CACHE_CHECK([for Perl library $1], mdw_cv_perllib_$1,
dnl
dnl Use: If the C compiler is GCC, add the compiler flags.
-AC_DEFUN(mdw_GCC_FLAGS,
+AC_DEFUN([mdw_GCC_FLAGS],
[if test "$GCC" = "yes"; then
CFLAGS="$CFLAGS ifelse([$1], [], [-pedantic -Wall], [$1])"
CFLAGS="$CFLAGS ifelse([$2], [], [], [$2])"
dnl Use: Turns on the `NDEBUG' flag, to disable useful things like
dnl assertions.
-AC_DEFUN(mdw_OPT_NDEBUG,
+AC_DEFUN([mdw_OPT_NDEBUG],
[AC_ARG_ENABLE(debugging,
[ --disable-debugging spews vast swathes of useless information],
[if test "$enableval" = "no"; then
dnl
dnl Use: Links with the Electric Fence library.
-AC_DEFUN(mdw_OPT_EFENCE,
+AC_DEFUN([mdw_OPT_EFENCE],
[AC_ARG_WITH(electric-fence,
[ --with-electric-fence link programs with Electric Fence],
[if test "$withval" = "yes"; then
dnl Use: Turns on the `NTRACE' flag, to disable useful things like
dnl trace outputs.
-AC_DEFUN(mdw_OPT_TRACE,
+AC_DEFUN([mdw_OPT_TRACE],
[AC_ARG_ENABLE(tracing,
[ --disable-tracing disable output of trace information],
[if test "$enableval" = "no"; then
dnl days when mLib was provided as a subdirectory of other
dnl packages.
-AC_DEFUN(mdw_OPT_mLib_TRACK,
+AC_DEFUN([mdw_OPT_mLib_TRACK],
[AC_REQUIRE([mdw_OPT_TRACE])
AC_ARG_ENABLE(track,
[ --enable-track enable tracking of malloc and free],
dnl
dnl Use: Provides all of the above debugging options.
-AC_DEFUN(mdw_OPT_mLib_DEBUG,
+AC_DEFUN([mdw_OPT_mLib_DEBUG],
[mdw_REQUIRE([mdw_OPT_NDEBUG])
mdw_REQUIRE([mdw_OPT_mLib_TRACK], [$1])])
+dnl --- *@-mdw_DEFINE_PATHS-@*
+dnl
+dnl Author: Mark Wooding
+dnl
+dnl Synopsys: mdw_DEFINE_FILES(CODE)
+dnl
+dnl Arguments: CODE = shell script code to execute
+dnl
+dnl Use: Fixes up various variables so that pathname defines can be
+dnl defined. Within CODE, you may use the following macros:
+dnl
+dnl mdw_PROG(NAME) Transformed program name
+dnl
+dnl mdw_PATH(PATH) Expanded path (may contain variables)
+dnl
+dnl mdw_DEFINE_PROG(SYMBOL, PROG)
+dnl Define a symbol as a transformed
+dnl program name.
+dnl
+dnl mdw_DEFINE_PATH(SYMBOL, NAME)
+dnl Define a symbol as an expanded path
+
+AC_DEFUN([mdw_DEFINE_PATHS],
+[mdw_prefix=$prefix mdw_exec_prefix=$exec_prefix
+mdw_transform=`echo "$program_transform_name"|sed 's,\\\\\\\\,\\\\,g; s,\\$\\$,$,g'`
+test "$prefix" = "NONE" && prefix=$ac_default_prefix
+test "$exec_prefix" = "NONE" && exec_prefix=$prefix
+$1
+prefix=$mdw_prefix exec_prefix=$mdw_exec_prefix])
+
+AC_DEFUN([mdw_PROG], [`echo "$1"|sed "$mdw_transform"`])
+AC_DEFUN([mdw_PATH], [dnl
+`t="$1"; dnl
+while :; do dnl
+case "$t" in dnl
+*\\$[]*) t=\`eval echo "$t"\`;; dnl
+*) break;; dnl
+esac; done; dnl
+echo "$t"`])
+AC_DEFUN([mdw_DEFINE_PROG], [AC_DEFINE_UNQUOTED([$1], ["mdw_PROG([$2])"])])
+AC_DEFUN([mdw_DEFINE_PATH], [AC_DEFINE_UNQUOTED([$1], ["mdw_PATH([$2])"])])
+
dnl----- That's all, folks --------------------------------- *@--GLOB-END--@*