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+# Configure paths for AALIB
+# Jan Hubicka 4/22/2001
+# stolen from 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_AALIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for AALIB, and define AALIB_CFLAGS and AALIB_LIBS
+dnl
+AC_DEFUN(AM_PATH_AALIB,
+[dnl
+dnl Get the cflags and libraries from the aalib-config script
+dnl
+AC_ARG_WITH(aalib-prefix,[ --with-aalib-prefix=PFX Prefix where AALIB is installed (optional)],
+ aalib_prefix="$withval", aalib_prefix="")
+AC_ARG_WITH(aalib-exec-prefix,[ --with-aalib-exec-prefix=PFX Exec prefix where AALIB is installed (optional)],
+ aalib_exec_prefix="$withval", aalib_exec_prefix="")
+AC_ARG_ENABLE(aalibtest, [ --disable-aalibtest Do not try to compile and run a test AALIB program],
+ , enable_aalibtest=yes)
+
+ if test x$aalib_exec_prefix != x ; then
+ aalib_args="$aalib_args --exec-prefix=$aalib_exec_prefix"
+ if test x${AALIB_CONFIG+set} != xset ; then
+ AALIB_CONFIG=$aalib_exec_prefix/bin/aalib-config
+ fi
+ fi
+ if test x$aalib_prefix != x ; then
+ aalib_args="$aalib_args --prefix=$aalib_prefix"
+ if test x${AALIB_CONFIG+set} != xset ; then
+ AALIB_CONFIG=$aalib_prefix/bin/aalib-config
+ fi
+ fi
+
+ AC_PATH_PROG(AALIB_CONFIG, aalib-config, no)
+ min_aalib_version=ifelse([$1], ,0.11.0,$1)
+ AC_MSG_CHECKING(for AALIB - version >= $min_aalib_version)
+ no_aalib=""
+ if test "$AALIB_CONFIG" = "no" ; then
+ no_aalib=yes
+ else
+ AALIB_CFLAGS=`$AALIB_CONFIG $aalibconf_args --cflags`
+ AALIB_LIBS=`$AALIB_CONFIG $aalibconf_args --libs`
+
+ aalib_major_version=`$AALIB_CONFIG $aalib_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ aalib_minor_version=`$AALIB_CONFIG $aalib_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ aalib_micro_version=`$AALIB_CONFIG $aalib_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+ if test "x$enable_aalibtest" = "xyes" ; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $AALIB_CFLAGS"
+ LIBS="$LIBS $AALIB_LIBS"
+dnl
+dnl Now check if the installed AALIB is sufficiently new. (Also sanity
+dnl checks the results of aalib-config to some extent
+dnl
+ rm -f conf.aalibtest
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "aalib.h"
+
+char*
+my_strdup (char *str)
+{
+ char *new_str;
+
+ if (str)
+ {
+ new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
+ strcpy (new_str, str);
+ }
+ else
+ new_str = NULL;
+
+ return new_str;
+}
+
+int main (int argc, char *argv[])
+{
+ int major, minor, micro;
+ char *tmp_version;
+
+ /* This hangs on some systems (?)
+ system ("touch conf.aalibtest");
+ */
+ { FILE *fp = fopen("conf.aalibtest", "a"); if ( fp ) fclose(fp); }
+
+ /* HP/UX 9 (%@#!) writes to sscanf strings */
+ tmp_version = my_strdup("$min_aalib_version");
+ if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+ printf("%s, bad version string\n", "$min_aalib_version");
+ exit(1);
+ }
+
+ if (($aalib_major_version > major) ||
+ (($aalib_major_version == major) && ($aalib_minor_version > minor)) ||
+ (($aalib_major_version == major) && ($aalib_minor_version == minor) && ($aalib_micro_version >= micro)))
+ {
+ return 0;
+ }
+ else
+ {
+ printf("\n*** 'aalib-config --version' returned %d.%d.%d, but the minimum version\n", $aalib_major_version, $aalib_minor_version, $aalib_micro_version);
+ printf("*** of AALIB required is %d.%d.%d. If aalib-config is correct, then it is\n", major, minor, micro);
+ printf("*** best to upgrade to the required version.\n");
+ printf("*** If aalib-config was wrong, set the environment variable AALIB_CONFIG\n");
+ printf("*** to point to the correct copy of aalib-config, and remove the file\n");
+ printf("*** config.cache before re-running configure\n");
+ return 1;
+ }
+}
+
+],, no_aalib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ if test "x$no_aalib" = x ; then
+ AC_MSG_RESULT(yes)
+ ifelse([$2], , :, [$2])
+ else
+ AC_MSG_RESULT(no)
+ if test "$AALIB_CONFIG" = "no" ; then
+ echo "*** The aalib-config script installed by AALIB could not be found"
+ echo "*** If AALIB was installed in PREFIX, make sure PREFIX/bin is in"
+ echo "*** your path, or set the AALIB_CONFIG environment variable to the"
+ echo "*** full path to aalib-config."
+ else
+ if test -f conf.aalibtest ; then
+ :
+ else
+ echo "*** Could not run AALIB test program, checking why..."
+ CFLAGS="$CFLAGS $AALIB_CFLAGS"
+ LIBS="$LIBS $AALIB_LIBS"
+ AC_TRY_LINK([
+#include <stdio.h>
+#include "AALIB.h"
+], [ return 0; ],
+ [ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding AALIB or finding the wrong"
+ echo "*** version of AALIB. If it is not finding AALIB, 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 AALIB was incorrectly installed"
+ echo "*** or that you have moved AALIB since it was installed. In the latter case, you"
+ echo "*** may want to edit the aalib-config script: $AALIB_CONFIG" ])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ AALIB_CFLAGS=""
+ AALIB_LIBS=""
+ ifelse([$3], , :, [$3])
+ fi
+ AC_SUBST(AALIB_CFLAGS)
+ AC_SUBST(AALIB_LIBS)
+ rm -f conf.aalibtest
+])