[gcc.git] / libjava / glib.m4

# Configure paths for GLIB
# Owen Taylor     97-11-3

dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or 
dnl gthread is specified in MODULES, pass to glib-config
dnl
AC_DEFUN(AM_PATH_GLIB,
[dnl 
dnl Get the cflags and libraries from the glib-config script
dnl
AC_ARG_WITH(glib-prefix,[  --with-glib-prefix=PFX   Prefix where GLIB is installed (optional)],
            glib_config_prefix="$withval", glib_config_prefix="")
AC_ARG_WITH(glib-exec-prefix,[  --with-glib-exec-prefix=PFX Exec prefix where GLIB is installed (optional)],
            glib_config_exec_prefix="$withval", glib_config_exec_prefix="")
AC_ARG_ENABLE(glibtest, [  --disable-glibtest       Do not try to compile and run a test GLIB program],
		    , enable_glibtest=yes)

  if test x$glib_config_exec_prefix != x ; then
     glib_config_args="$glib_config_args --exec-prefix=$glib_config_exec_prefix"
     if test x${GLIB_CONFIG+set} != xset ; then
        GLIB_CONFIG=$glib_config_exec_prefix/bin/glib-config
     fi
  fi
  if test x$glib_config_prefix != x ; then
     glib_config_args="$glib_config_args --prefix=$glib_config_prefix"
     if test x${GLIB_CONFIG+set} != xset ; then
        GLIB_CONFIG=$glib_config_prefix/bin/glib-config
     fi
  fi

  for module in . $4
  do
      case "$module" in
         gmodule) 
             glib_config_args="$glib_config_args gmodule"
         ;;
         gthread) 
             glib_config_args="$glib_config_args gthread"
         ;;
      esac
  done

  AC_PATH_PROG(GLIB_CONFIG, glib-config, no)
  min_glib_version=ifelse([$1], ,0.99.7,$1)
  AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
  no_glib=""
  if test "$GLIB_CONFIG" = "no" ; then
    no_glib=yes
  else
    GLIB_CFLAGS=`$GLIB_CONFIG $glib_config_args --cflags`
    GLIB_LIBS=`$GLIB_CONFIG $glib_config_args --libs`
    glib_config_major_version=`$GLIB_CONFIG $glib_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    glib_config_minor_version=`$GLIB_CONFIG $glib_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    glib_config_micro_version=`$GLIB_CONFIG $glib_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
    if test "x$enable_glibtest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $GLIB_CFLAGS"
      LIBS="$GLIB_LIBS $LIBS"
dnl
dnl Now check if the installed GLIB is sufficiently new. (Also sanity
dnl checks the results of glib-config to some extent
dnl
      rm -f conf.glibtest
      AC_TRY_RUN([
#include <glib.h>
#include <stdio.h>
#include <stdlib.h>

int 
main ()
{
  int major, minor, micro;
  char *tmp_version;

  system ("touch conf.glibtest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = g_strdup("$min_glib_version");
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
     printf("%s, bad version string\n", "$min_glib_version");
     exit(1);
   }

  if ((glib_major_version != $glib_config_major_version) ||
      (glib_minor_version != $glib_config_minor_version) ||
      (glib_micro_version != $glib_config_micro_version))
    {
      printf("\n*** 'glib-config --version' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", 
             $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
             glib_major_version, glib_minor_version, glib_micro_version);
      printf ("*** was found! If glib-config was correct, then it is best\n");
      printf ("*** to remove the old version of GLIB. You may also be able to fix the error\n");
      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
      printf("*** required on your system.\n");
      printf("*** If glib-config was wrong, set the environment variable GLIB_CONFIG\n");
      printf("*** to point to the correct copy of glib-config, and remove the file config.cache\n");
      printf("*** before re-running configure\n");
    } 
  else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
	   (glib_minor_version != GLIB_MINOR_VERSION) ||
           (glib_micro_version != GLIB_MICRO_VERSION))
    {
      printf("*** GLIB header files (version %d.%d.%d) do not match\n",
	     GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
      printf("*** library (version %d.%d.%d)\n",
	     glib_major_version, glib_minor_version, glib_micro_version);
    }
  else
    {
      if ((glib_major_version > major) ||
        ((glib_major_version == major) && (glib_minor_version > minor)) ||
        ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
      {
        return 0;
       }
     else
      {
        printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n",
               glib_major_version, glib_minor_version, glib_micro_version);
        printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n",
	       major, minor, micro);
        printf("*** GLIB is always available from ftp://ftp.gtk.org.\n");
        printf("***\n");
        printf("*** If you have already installed a sufficiently new version, this error\n");
        printf("*** probably means that the wrong copy of the glib-config shell script is\n");
        printf("*** being found. The easiest way to fix this is to remove the old version\n");
        printf("*** of GLIB, but you can also set the GLIB_CONFIG environment to point to the\n");
        printf("*** correct copy of glib-config. (In this case, you will have to\n");
        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
        printf("*** so that the correct libraries are found at run-time))\n");
      }
    }
  return 1;
}
],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
  fi
  if test "x$no_glib" = x ; then
     AC_MSG_RESULT(yes)
     ifelse([$2], , :, [$2])     
  else
     AC_MSG_RESULT(no)
     if test "$GLIB_CONFIG" = "no" ; then
       echo "*** The glib-config script installed by GLIB could not be found"
       echo "*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in"
       echo "*** your path, or set the GLIB_CONFIG environment variable to the"
       echo "*** full path to glib-config."
     else
       if test -f conf.glibtest ; then
        :
       else
          echo "*** Could not run GLIB test program, checking why..."
          CFLAGS="$CFLAGS $GLIB_CFLAGS"
          LIBS="$LIBS $GLIB_LIBS"
          AC_TRY_LINK([
#include <glib.h>
#include <stdio.h>
],      [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ],
        [ echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding GLIB or finding the wrong"
          echo "*** version of GLIB. If it is not finding GLIB, 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 "***"
          echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
          echo "*** came with the system with the command"
          echo "***"
          echo "***    rpm --erase --nodeps gtk gtk-devel" ],
        [ echo "*** The test program failed to compile or link. See the file config.log for the"
          echo "*** exact error that occured. This usually means GLIB was incorrectly installed"
          echo "*** or that you have moved GLIB since it was installed. In the latter case, you"
          echo "*** may want to edit the glib-config script: $GLIB_CONFIG" ])
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
       fi
     fi
     GLIB_CFLAGS=""
     GLIB_LIBS=""
     ifelse([$3], , :, [$3])
  fi
  AC_SUBST(GLIB_CFLAGS)
  AC_SUBST(GLIB_LIBS)
  rm -f conf.glibtest
])
Commit	Line	Data
5aac1dac TT	1	# Configure paths for GLIB
	2	# Owen Taylor 97-11-3
	3
	4	dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
	5	dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or
	6	dnl gthread is specified in MODULES, pass to glib-config
	7	dnl
	8	AC_DEFUN(AM_PATH_GLIB,
	9	[dnl
	10	dnl Get the cflags and libraries from the glib-config script
	11	dnl
	12	AC_ARG_WITH(glib-prefix,[ --with-glib-prefix=PFX Prefix where GLIB is installed (optional)],
	13	glib_config_prefix="$withval", glib_config_prefix="")
	14	AC_ARG_WITH(glib-exec-prefix,[ --with-glib-exec-prefix=PFX Exec prefix where GLIB is installed (optional)],
	15	glib_config_exec_prefix="$withval", glib_config_exec_prefix="")
	16	AC_ARG_ENABLE(glibtest, [ --disable-glibtest Do not try to compile and run a test GLIB program],
	17	, enable_glibtest=yes)
	18
	19	if test x$glib_config_exec_prefix != x ; then
	20	glib_config_args="$glib_config_args --exec-prefix=$glib_config_exec_prefix"
	21	if test x${GLIB_CONFIG+set} != xset ; then
	22	GLIB_CONFIG=$glib_config_exec_prefix/bin/glib-config
	23	fi
	24	fi
	25	if test x$glib_config_prefix != x ; then
	26	glib_config_args="$glib_config_args --prefix=$glib_config_prefix"
	27	if test x${GLIB_CONFIG+set} != xset ; then
	28	GLIB_CONFIG=$glib_config_prefix/bin/glib-config
	29	fi
	30	fi
	31
	32	for module in . $4
	33	do
	34	case "$module" in
	35	gmodule)
	36	glib_config_args="$glib_config_args gmodule"
	37	;;
	38	gthread)
	39	glib_config_args="$glib_config_args gthread"
	40	;;
	41	esac
	42	done
	43
	44	AC_PATH_PROG(GLIB_CONFIG, glib-config, no)
	45	min_glib_version=ifelse([$1], ,0.99.7,$1)
	46	AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
	47	no_glib=""
	48	if test "$GLIB_CONFIG" = "no" ; then
	49	no_glib=yes
	50	else
	51	GLIB_CFLAGS=`$GLIB_CONFIG $glib_config_args --cflags`
	52	GLIB_LIBS=`$GLIB_CONFIG $glib_config_args --libs`
	53	glib_config_major_version=`$GLIB_CONFIG $glib_config_args --version \| \
	54	sed 's/\([[0-9]]\).\([[0-9]]\).\([[0-9]]*\)/\1/'`
	55	glib_config_minor_version=`$GLIB_CONFIG $glib_config_args --version \| \
	56	sed 's/\([[0-9]]\).\([[0-9]]\).\([[0-9]]*\)/\2/'`
	57	glib_config_micro_version=`$GLIB_CONFIG $glib_config_args --version \| \
	58	sed 's/\([[0-9]]\).\([[0-9]]\).\([[0-9]]*\)/\3/'`
	59	if test "x$enable_glibtest" = "xyes" ; then
	60	ac_save_CFLAGS="$CFLAGS"
	61	ac_save_LIBS="$LIBS"
	62	CFLAGS="$CFLAGS $GLIB_CFLAGS"
	63	LIBS="$GLIB_LIBS $LIBS"
	64	dnl
65	dnl Now check if the installed GLIB is sufficiently new. (Also sanity
66	dnl checks the results of glib-config to some extent
67	dnl
68	rm -f conf.glibtest
69	AC_TRY_RUN([
70	#include <glib.h>
71	#include <stdio.h>
72	#include <stdlib.h>
73
74	int
75	main ()
76	{
77	int major, minor, micro;
78	char *tmp_version;
79
80	system ("touch conf.glibtest");
81
82	/* HP/UX 9 (%@#!) writes to sscanf strings */
83	tmp_version = g_strdup("$min_glib_version");
84	if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
85	printf("%s, bad version string\n", "$min_glib_version");
86	exit(1);
87	}
88
89	if ((glib_major_version != $glib_config_major_version) \|\|
90	(glib_minor_version != $glib_config_minor_version) \|\|
91	(glib_micro_version != $glib_config_micro_version))
92	{
93	printf("\n*** 'glib-config --version' returned %d.%d.%d, but GLIB (%d.%d.%d)\n",
94	$glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
95	glib_major_version, glib_minor_version, glib_micro_version);
96	printf ("*** was found! If glib-config was correct, then it is best\n");
97	printf ("*** to remove the old version of GLIB. You may also be able to fix the error\n");
98	printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
99	printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
100	printf("*** required on your system.\n");
101	printf("*** If glib-config was wrong, set the environment variable GLIB_CONFIG\n");
102	printf("*** to point to the correct copy of glib-config, and remove the file config.cache\n");
103	printf("*** before re-running configure\n");
104	}
105	else if ((glib_major_version != GLIB_MAJOR_VERSION) \|\|
106	(glib_minor_version != GLIB_MINOR_VERSION) \|\|
107	(glib_micro_version != GLIB_MICRO_VERSION))
108	{
109	printf("*** GLIB header files (version %d.%d.%d) do not match\n",
110	GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
111	printf("*** library (version %d.%d.%d)\n",
112	glib_major_version, glib_minor_version, glib_micro_version);
113	}
114	else
115	{
116	if ((glib_major_version > major) \|\|
117	((glib_major_version == major) && (glib_minor_version > minor)) \|\|
118	((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
119	{
120	return 0;
121	}
122	else
123	{
124	printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n",
125	glib_major_version, glib_minor_version, glib_micro_version);
126	printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n",
127	major, minor, micro);
128	printf("*** GLIB is always available from ftp://ftp.gtk.org.\n");
129	printf("***\n");
130	printf("*** If you have already installed a sufficiently new version, this error\n");
131	printf("*** probably means that the wrong copy of the glib-config shell script is\n");
132	printf("*** being found. The easiest way to fix this is to remove the old version\n");
133	printf("*** of GLIB, but you can also set the GLIB_CONFIG environment to point to the\n");
134	printf("*** correct copy of glib-config. (In this case, you will have to\n");
135	printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
136	printf("*** so that the correct libraries are found at run-time))\n");
137	}
138	}
139	return 1;
140	}
141	],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
142	CFLAGS="$ac_save_CFLAGS"
143	LIBS="$ac_save_LIBS"
144	fi
145	fi
146	if test "x$no_glib" = x ; then
147	AC_MSG_RESULT(yes)
148	ifelse([$2], , :, [$2])
149	else
150	AC_MSG_RESULT(no)
151	if test "$GLIB_CONFIG" = "no" ; then
152	echo "*** The glib-config script installed by GLIB could not be found"
153	echo "*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in"
154	echo "*** your path, or set the GLIB_CONFIG environment variable to the"
155	echo "*** full path to glib-config."
156	else
157	if test -f conf.glibtest ; then
158	:
159	else
160	echo "*** Could not run GLIB test program, checking why..."
161	CFLAGS="$CFLAGS $GLIB_CFLAGS"
162	LIBS="$LIBS $GLIB_LIBS"
163	AC_TRY_LINK([
164	#include <glib.h>
165	#include <stdio.h>
166	], [ return ((glib_major_version) \|\| (glib_minor_version) \|\| (glib_micro_version)); ],
167	[ echo "*** The test program compiled, but did not run. This usually means"
168	echo "*** that the run-time linker is not finding GLIB or finding the wrong"
169	echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your"
170	echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
171	echo "*** to the installed location Also, make sure you have run ldconfig if that"
172	echo "*** is required on your system"
173	echo "***"
174	echo "*** If you have an old version installed, it is best to remove it, although"
175	echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
176	echo "***"
177	echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
178	echo "*** came with the system with the command"
179	echo "***"
180	echo "*** rpm --erase --nodeps gtk gtk-devel" ],
181	[ echo "*** The test program failed to compile or link. See the file config.log for the"
182	echo "*** exact error that occured. This usually means GLIB was incorrectly installed"
183	echo "*** or that you have moved GLIB since it was installed. In the latter case, you"
184	echo "*** may want to edit the glib-config script: $GLIB_CONFIG" ])
185	CFLAGS="$ac_save_CFLAGS"
186	LIBS="$ac_save_LIBS"
187	fi
188	fi
189	GLIB_CFLAGS=""
190	GLIB_LIBS=""
191	ifelse([$3], , :, [$3])
192	fi
193	AC_SUBST(GLIB_CFLAGS)
194	AC_SUBST(GLIB_LIBS)
195	rm -f conf.glibtest
196	])