- added structure template

[ginac.git] / ginac.m4

diff --git a/ginac.m4 b/ginac.m4
index ebe302995e0dd0dd17bdef95508d28414b263649..36c3d8b021f9a63f31cb149f3427fd59290e2fcc 100644 (file)
--- a/ginac.m4
+++ b/ginac.m4
@@ -1,5 +1,6 @@
 # Configure paths for GiNaC
 # Configure paths for GiNaC

-# Christian Bauer 12/1/99
+# Richard Kreckel 12/12/2000
+# borrowed from Christian Bauer

 # stolen from Sam Lantinga
 # stolen from Manish Singh
 # stolen back from Frank Belew
 # stolen from Sam Lantinga
 # stolen from Manish Singh
 # stolen back from Frank Belew


@@ -9,7 +10,7 @@
 dnl AM_PATH_GINAC([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
 dnl Test for GiNaC, and define GINACLIB_CPPFLAGS and GINACLIB_LIBS
 dnl
 dnl AM_PATH_GINAC([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
 dnl Test for GiNaC, and define GINACLIB_CPPFLAGS and GINACLIB_LIBS
 dnl

-AC_DEFUN(AM_PATH_GINAC,
+AC_DEFUN([AM_PATH_GINAC],

 [dnl 
 dnl Get the cppflags and libraries from the ginac-config script
 dnl
 [dnl 
 dnl Get the cppflags and libraries from the ginac-config script
 dnl


@@ -18,149 +19,142 @@ AC_ARG_WITH(ginac-prefix,[  --with-ginac-prefix=PFX Prefix where GiNaC is instal
 AC_ARG_WITH(ginac-exec-prefix,[  --with-ginac-exec-prefix=PFX Exec prefix where GiNaC is installed (optional)],
             ginac_exec_prefix="$withval", ginac_exec_prefix="")
 AC_ARG_ENABLE(ginactest, [  --disable-ginactest     Do not try to compile and run a test GiNaC program],
 AC_ARG_WITH(ginac-exec-prefix,[  --with-ginac-exec-prefix=PFX Exec prefix where GiNaC is installed (optional)],
             ginac_exec_prefix="$withval", ginac_exec_prefix="")
 AC_ARG_ENABLE(ginactest, [  --disable-ginactest     Do not try to compile and run a test GiNaC program],

-                   , enable_ginactest=yes)
+              , enable_ginactest=yes)

 
 

-  if test x$ginac_exec_prefix != x ; then
-     ginac_args="$ginac_args --exec-prefix=$ginac_exec_prefix"
-     if test x${GINACLIB_CONFIG+set} != xset ; then
+if test x$ginac_exec_prefix != x ; then
+    ginac_args="$ginac_args --exec-prefix=$ginac_exec_prefix"
+    if test x${GINACLIB_CONFIG+set} != xset ; then

         GINACLIB_CONFIG=$ginac_exec_prefix/bin/ginac-config
         GINACLIB_CONFIG=$ginac_exec_prefix/bin/ginac-config

-     fi
-  fi
-  if test x$ginac_prefix != x ; then
-     ginac_args="$ginac_args --prefix=$ginac_prefix"
-     if test x${GINACLIB_CONFIG+set} != xset ; then
+    fi
+fi
+if test x$ginac_prefix != x ; then
+    ginac_args="$ginac_args --prefix=$ginac_prefix"
+    if test x${GINACLIB_CONFIG+set} != xset ; then

         GINACLIB_CONFIG=$ginac_prefix/bin/ginac-config
         GINACLIB_CONFIG=$ginac_prefix/bin/ginac-config

-     fi
-  fi
+    fi
+fi

 
 

-  AC_PATH_PROG(GINACLIB_CONFIG, ginac-config, no)
-  min_ginac_version=ifelse([$1], ,0.4.0,$1)
-  AC_MSG_CHECKING(for GiNaC - version >= $min_ginac_version)
-  no_ginac=""
-  if test "$GINACLIB_CONFIG" = "no" ; then
-    no_ginac=yes
-  else
-    GINACLIB_CPPFLAGS=`$GINACLIB_CONFIG $ginacconf_args --cppflags`
-    GINACLIB_LIBS=`$GINACLIB_CONFIG $ginacconf_args --libs`
-
-    ginac_major_version=`$GINACLIB_CONFIG $ginac_args --version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
-    ginac_minor_version=`$GINACLIB_CONFIG $ginac_args --version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
-    ginac_micro_version=`$GINACLIB_CONFIG $ginac_config_args --version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-    if test "x$enable_ginactest" = "xyes" ; then
-      ac_save_CPPFLAGS="$CPPFLAGS"
-      ac_save_LIBS="$LIBS"
-      CPPFLAGS="$CPPFLAGS $GINACLIB_CPPFLAGS"
-      LIBS="$LIBS $GINACLIB_LIBS"
-dnl
-dnl Now check if the installed GiNaC is sufficiently new. (Also sanity
-dnl checks the results of ginac-config to some extent
-dnl
-      rm -f conf.ginactest
-      AC_TRY_RUN([
+AC_PATH_PROG(GINACLIB_CONFIG, ginac-config, no)
+ginac_min_version=ifelse([$1], ,0.7.0,$1)
+AC_MSG_CHECKING(for GiNaC - version >= $ginac_min_version)
+if test "$GINACLIB_CONFIG" = "no" ; then
+    AC_MSG_RESULT(no)
+    echo "*** The ginac-config script installed by GiNaC could not be found"
+    echo "*** If GiNaC was installed in PREFIX, make sure PREFIX/bin is in"
+    echo "*** your path, or set the GINACLIB_CONFIG environment variable to the"
+    echo "*** full path to ginac-config."
+    ifelse([$3], , :, [$3])
+else
+dnl Parse required version and the result of ginac-config.
+    ginac_min_major_version=`echo $ginac_min_version | \
+            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    ginac_min_minor_version=`echo $ginac_min_version | \
+            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    ginac_min_micro_version=`echo $ginac_min_version | \
+            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    GINACLIB_CPPFLAGS=`$GINACLIB_CONFIG $ginac_args --cppflags`
+    GINACLIB_LIBS=`$GINACLIB_CONFIG $ginac_args --libs`
+    ginac_config_version=`$GINACLIB_CONFIG $ginac_args --version`
+    ginac_config_major_version=`echo $ginac_config_version | \
+            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    ginac_config_minor_version=`echo $ginac_config_version | \
+            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    ginac_config_micro_version=`echo $ginac_config_version | \
+            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+dnl Check if the installed GiNaC is sufficiently new according to ginac-config.
+    if test \( $ginac_config_major_version -lt $ginac_min_major_version \) -o \
+            \( $ginac_config_major_version -eq $ginac_min_major_version -a $ginac_config_minor_version -lt $ginac_min_minor_version \) -o \
+            \( $ginac_config_major_version -eq $ginac_min_major_version -a $ginac_config_minor_version -eq $ginac_min_minor_version -a $ginac_config_micro_version -lt $ginac_min_micro_version \); then
+        echo -e "\n*** 'ginac-config --version' returned $ginac_config_major_version.$ginac_config_minor_version.$ginac_config_micro_version, but the minimum version"
+        echo "*** of GiNaC required is $ginac_min_major_version.$ginac_min_minor_version.$ginac_min_micro_version. If ginac-config is correct, then it is"
+        echo "*** best to upgrade to the required version."
+        echo "*** If ginac-config was wrong, set the environment variable GINACLIB_CONFIG"
+        echo "*** to point to the correct copy of ginac-config, and remove the file"
+        echo "*** config.cache before re-running configure."
+        ifelse([$3], , :, [$3])
+    else
+dnl The versions match so far.  Now do a sanity check: Does the result of ginac-config
+dnl match the version of the headers and the version built into the library, too?
+        no_ginac=""
+        if test "x$enable_ginactest" = "xyes" ; then
+            ac_save_CPPFLAGS="$CPPFLAGS"
+            ac_save_LIBS="$LIBS"
+            CPPFLAGS="$CPPFLAGS $GINACLIB_CPPFLAGS"
+            LIBS="$LIBS $GINACLIB_LIBS"
+            rm -f conf.ginactest
+            AC_TRY_RUN([

 #include <stdio.h>
 #include <stdio.h>

-#include <stdlib.h>

 #include <string.h>
 #include <string.h>

-#include <ginac/ginac.h>
+#include <ginac/version.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;
-}
+/* we do not #include <stdlib.h> because autoconf in C++ mode inserts a
+   prototype for exit() that conflicts with the one in stdlib.h */
+extern "C" int system(const char *);

 
 

-int main ()
+int main()

 {
 {

-  int major, minor, micro;
-  char *tmp_version;
+    int major, minor, micro;
+    char *tmp_version;

 
 

-  system ("touch conf.ginactest");
+    system("touch conf.ginactest");

 
 

-  /* HP/UX 9 (%@#!) writes to sscanf strings */
-  tmp_version = my_strdup("$min_ginac_version");
-  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
-     printf("%s, bad version string\n", "$min_ginac_version");
-     exit(1);
-   }
-
-   if (($ginac_major_version > major) ||
-      (($ginac_major_version == major) && ($ginac_minor_version > minor)) ||
-      (($ginac_major_version == major) && ($ginac_minor_version == minor) && ($ginac_micro_version >= micro)))
-    {
-      return 0;
+    if ((GINACLIB_MAJOR_VERSION != $ginac_config_major_version) ||
+        (GINACLIB_MINOR_VERSION != $ginac_config_minor_version) ||
+        (GINACLIB_MICRO_VERSION != $ginac_config_micro_version)) {
+        printf("\n*** 'ginac-config --version' returned %d.%d.%d, but the header file I found\n", $ginac_config_major_version, $ginac_config_minor_version, $ginac_config_micro_version);
+        printf("*** corresponds to %d.%d.%d. This mismatch suggests your installation of GiNaC\n", GINACLIB_MAJOR_VERSION, GINACLIB_MINOR_VERSION, GINACLIB_MICRO_VERSION);
+        printf("*** is corrupted or you have specified some wrong -I compiler flags.\n");
+        printf("*** Please inquire and consider reinstalling GiNaC.\n");
+        return 1;

     }
     }

-  else
-    {
-      printf("\n*** 'ginac-config --version' returned %d.%d.%d, but the minimum version\n", $ginac_major_version, $ginac_minor_version, $ginac_micro_version);
-      printf("*** of GiNaC required is %d.%d.%d. If ginac-config is correct, then it is\n", major, minor, micro);
-      printf("*** best to upgrade to the required version.\n");
-      printf("*** If ginac-config was wrong, set the environment variable GINACLIB_CONFIG\n");
-      printf("*** to point to the correct copy of ginac-config, and remove the file\n");
-      printf("*** config.cache before re-running configure\n");
-      return 1;
+    if ((GiNaC::version_major != $ginac_config_major_version) ||
+        (GiNaC::version_minor != $ginac_config_minor_version) ||
+        (GiNaC::version_micro != $ginac_config_micro_version)) {
+        printf("\n*** 'ginac-config --version' returned %d.%d.%d, but the library I found\n", $ginac_config_major_version, $ginac_config_minor_version, $ginac_config_micro_version);
+        printf("*** corresponds to %d.%d.%d. This mismatch suggests your installation of GiNaC\n", GiNaC::version_major, GiNaC::version_minor, GiNaC::version_micro);
+        printf("*** is corrupted or you have specified some wrong -L compiler flags.\n");
+        printf("*** Please inquire and consider reinstalling GiNaC.\n");
+        return 1;

     }
     }

+    return 0;

 }
 }

-

 ],, no_ginac=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 ],, no_ginac=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])

-       CPPFLAGS="$ac_save_CPPFLAGS"
-       LIBS="$ac_save_LIBS"
-     fi
-  fi
-  if test "x$no_ginac" = x ; then
-     AC_MSG_RESULT(yes)
-     ifelse([$2], , :, [$2])     
-  else
-     AC_MSG_RESULT(no)
-     if test "$GINACLIB_CONFIG" = "no" ; then
-       echo "*** The ginac-config script installed by GiNaC could not be found"
-       echo "*** If GiNaC was installed in PREFIX, make sure PREFIX/bin is in"
-       echo "*** your path, or set the GINACLIB_CONFIG environment variable to the"
-       echo "*** full path to ginac-config."
-     else
-       if test -f conf.ginactest ; then
-        :
-       else
-          echo "*** Could not run GiNaC test program, checking why..."
-          CPPFLAGS="$CFLAGS $GINACLIB_CPPFLAGS"
-          LIBS="$LIBS $GINACLIB_LIBS"
-          AC_TRY_LINK([
+            CPPFLAGS="$ac_save_CPPFLAGS"
+            LIBS="$ac_save_LIBS"
+        fi
+        if test "x$no_ginac" = x ; then
+            AC_MSG_RESULT([yes, $ginac_config_version])
+            ifelse([$2], , :, [$2])
+        else
+            AC_MSG_RESULT(no)
+            if test ! -f conf.ginactest ; then
+                echo "*** Could not run GiNaC test program, checking why..."
+                CPPFLAGS="$CFLAGS $GINACLIB_CPPFLAGS"
+                LIBS="$LIBS $GINACLIB_LIBS"
+                AC_TRY_LINK([

 #include <stdio.h>
 #include <stdio.h>

-#include <ginac/ginac.h>
-],      [ return 0; ],
-        [ echo "*** The test program compiled, but did not run. This usually means"
-          echo "*** that the run-time linker is not finding GiNaC or finding the wrong"
-          echo "*** version of GiNaC. If it is not finding GiNaC, 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 GiNaC was incorrectly installed"
-          echo "*** or that you have moved GiNaC since it was installed. In the latter case, you"
-          echo "*** may want to edit the ginac-config script: $GINACLIB_CONFIG" ])
-          CPPFLAGS="$ac_save_CPPFLAGS"
-          LIBS="$ac_save_LIBS"
-       fi
-     fi
-     GINACLIB_CPPFLAGS=""
-     GINACLIB_LIBS=""
-     ifelse([$3], , :, [$3])
-  fi
-  AC_SUBST(GINACLIB_CPPFLAGS)
-  AC_SUBST(GINACLIB_LIBS)
-  rm -f conf.ginactest
+#include <ginac/version.h>
+],              [ return 0; ],
+                [ echo "*** The test program compiled, but did not run. This usually means"
+                  echo "*** that the run-time linker is not finding GiNaC or finding the wrong"
+                  echo "*** version of GiNaC. If it is not finding GiNaC, 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 "*** The test program failed to compile or link. See the file config.log for the"
+                  echo "*** exact error that occured. This usually means GiNaC was incorrectly installed"
+                  echo "*** or that you have moved GiNaC since it was installed. In the latter case, you"
+                  echo "*** may want to edit the ginac-config script: $GINACLIB_CONFIG." ])
+                CPPFLAGS="$ac_save_CPPFLAGS"
+                LIBS="$ac_save_LIBS"
+            fi
+            GINACLIB_CPPFLAGS=""
+            GINACLIB_LIBS=""
+            ifelse([$3], , :, [$3])
+        fi
+    fi
+fi
+AC_SUBST(GINACLIB_CPPFLAGS)
+AC_SUBST(GINACLIB_LIBS)
+rm -f conf.ginactest

 ])
 ])