merged GNU_aspell_branch

[claws.git] / ac / aspell.m4

diff --git a/ac/aspell.m4 b/ac/aspell.m4
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+++ b/ac/aspell.m4
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+dnl Autoconf macros for libaspell
+dnl $Id$
+
+# Configure paths for ASPELL
+# Shamelessly stolen from the one of GPGME by Werner Koch 
+# Melvin Hadasht  2001-09-17, 2002
+
+dnl AM_PATH_ASPELL([MINIMUM-VERSION,
+dnl               [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
+dnl Test for aspell, and define ASPELL_CFLAGS and ASPELL_LIBS
+dnl
+AC_DEFUN(AM_PATH_ASPELL,
+[dnl
+dnl Get the cflags and libraries from the aspell-config script
+dnl
+  AC_ARG_WITH(aspell-prefix,
+   [  --with-aspell-prefix=PFX           Prefix where aspell is installed (optional)],
+          aspell_prefix="$withval", aspell_prefix="")
+  AC_ARG_ENABLE(aspell-test,
+   [  --disable-aspell-test   Do not try to compile and run a test GNU/aspell program],
+          , enable_aspelltest=yes)
+  AC_ARG_WITH(aspell-libs,
+   [  --with-aspell-libs=LIBS            Where GNU/aspell library reside (/usr/local/lib)],
+          aspell_libs="$withval", aspell_libs="")
+  AC_ARG_WITH(aspell-includes,
+   [  --with-aspell-includes=INCLUDES    Where GNU/aspell headers reside (/usr/local/include)],
+          aspell_includes="$withval", aspell_includes="")
+
+  if test x$aspell_prefix != x ; then
+     if test x${ASPELL+set} != xset ; then
+        ASPELL=$aspell_prefix/bin/aspell
+     fi
+     if test x$aspell_includes == x ; then
+        aspell_includes=$aspell_prefix/include
+     fi
+     if test x$aspell_libs == x ; then
+        aspell_libs=$aspell_prefix/lib
+     fi
+  fi
+  if test x$aspell_includes == x ; then
+     aspell_includes=/usr/local/include
+  fi
+  if test x$aspell_libs == x ; then
+     aspell_libs=/usr/local/lib
+  fi
+  AC_PATH_PROG(ASPELL, aspell, no)
+  min_aspell_version=ifelse([$1], ,.50,$1)
+  AC_MSG_CHECKING(for GNU/aspell - version >= $min_aspell_version)
+  no_aspell=""
+  if test "$ASPELL" = "no" ; then
+    no_aspell=yes
+  else
+    ASPELL_CFLAGS="-I$aspell_includes"
+    ASPELL_LIBS="-L$aspell_libs -laspell"
+    aspell_version=`$ASPELL version|sed -e "s/\(@(#) International Ispell Version 3.1.20 (but really Aspell \)\(.*\))/\2/"`
+    if test "x$enable_aspelltest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $ASPELL_CFLAGS"
+      LIBS="$LIBS $ASPELL_LIBS"
+dnl
+dnl 
+dnl
+      rm -f conf.aspelltest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <aspell.h>
+
+int
+main ()
+{
+ system ("touch conf.aspelltest");
+ if(strcmp("$aspell_version","$min_aspell_version")<0){
+   printf("no\n");
+   return 1;
+   }
+ return 0;
+}
+],, no_aspell=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_aspell" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])
+  else
+     if test -f conf.aspelltest ; then
+        :
+     else
+        AC_MSG_RESULT(no)
+     fi
+     if test "$ASPELL" = "no" ; then
+       echo "*** The aspell executable could not be found"
+       echo "*** If aspell was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the ASPELL environment variable to the"
+       echo "*** full path to aspell."
+     else
+       if test -f conf.aspelltest ; then
+        :
+       else
+          echo "*** Could not run aspell test program, checking why..."
+          CFLAGS="$CFLAGS $ASPELL_CFLAGS"
+          LIBS="$LIBS $ASPELL_LIBS"
+          AC_TRY_LINK([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <aspell.h>
+],      [ AspellConfig * aspellconfig= new_aspell_config(); return 0 ],
+        [ 
+echo "*** The test program compiled, but did not run. This usually means"
+echo "*** that the run-time linker is not finding GNU/aspell or finding the wrong"
+echo "*** version of GNU/aspell. If it is not finding GNU/aspell, you'll need to set"
+echo "*** your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+echo "*** to the installed location  Also, make sure you have run ldconfig if"
+echo "*** that is required on your system"
+echo "***"
+echo "*** If you have an old version installed, it is best to remove it,"
+echo "*** although you may also be able to get things to work by"
+echo "*** modifying LD_LIBRARY_PATH"
+echo "***"
+        ],
+        [
+echo "*** The test program failed to compile or link. See the file config.log"
+echo "*** for the exact error that occured. This usually means GNU/aspell was"
+echo "*** incorrectly installed or that you have moved GNU/aspell since it was"
+echo "*** installed. "
+        ])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     ASPELL_CFLAGS=""
+     ASPELL_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(ASPELL_CFLAGS)
+  AC_SUBST(ASPELL_LIBS)
+  rm -f conf.aspelltest
+])
+