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- fixed quotation for am 1.8
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1 dnl AM_PATH_EXPAT([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
2 dnl Test for EXPAT, and define EXPAT_CFLAGS and EXPAT_LIBS
3 dnl
4 AC_DEFUN([AM_PATH_EXPAT],
5 [dnl 
6 dnl Get the cflags and libraries from the expat-config script
7 dnl
8 AC_ARG_WITH(expat-prefix,[  --with-expat=PFX   Prefix where EXPAT is installed (optional)])
9 AC_ARG_ENABLE(expattest, [  --disable-expattest       Do not try to compile and run a test EXPAT program],
10                     , enable_expattest=yes)
11
12   if test x$with_expat != x ; then
13     EXPAT_CFLAGS="-I$with_expat/include"
14     EXPAT_LIBS="-L$with_expat/lib"
15   fi
16
17   min_expat_version=ifelse([$1], ,1.95.1, $1)
18   AC_MSG_CHECKING(for EXPAT - version >= $min_expat_version)
19
20   EXPAT_CFLAGS="$EXPAT_CFLAGS"
21   EXPAT_LIBS="$EXPAT_LIBS -lexpat"
22
23   if test "x$enable_expattest" = "xyes" ; then
24     ac_save_CFLAGS="$CFLAGS"
25     ac_save_LIBS="$LIBS"
26     CFLAGS="$CFLAGS $EXPAT_CFLAGS"
27     LIBS="$EXPAT_LIBS $LIBS"
28 dnl
29 dnl Now check if the installed EXPAT is sufficiently new. (Also sanity
30 dnl checks the results of expat-config to some extent
31 dnl
32     rm -f conf.expattest
33     AC_TRY_RUN([
34 #include <expat.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38
39 int 
40 main ()
41 {
42    int expat_major, expat_minor, expat_micro;
43    int major, minor, micro;
44    char *tmp_expat_version;
45    char *tmp_version;
46
47    system ("touch conf.expattest");
48
49    /* HP/UX 9 (%@#!) writes to sscanf strings */
50    tmp_expat_version = strdup(XML_ExpatVersion());
51    if (sscanf(tmp_expat_version, "expat_%d.%d.%d", &expat_major, &expat_minor, &expat_micro) != 3) {
52      printf("%s, bad expat version string\n", XML_ExpatVersion());
53      exit(1);
54    }
55
56    /* HP/UX 9 (%@#!) writes to sscanf strings */
57    tmp_version = strdup("$min_expat_version");
58    if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
59      printf("%s, bad version string\n", "$min_expat_version");
60      exit(1);
61    }
62
63    if ((expat_major > major) ||
64       ((expat_major == major) && (expat_minor > minor)) ||
65       ((expat_major == major) && (expat_minor == minor) && (expat_micro >= micro)))
66    {
67         return 0;
68    }
69    else
70    {
71         printf("\n*** An old version of EXPAT (%d.%d.%d) was found.\n",
72                expat_major, expat_minor, expat_micro);
73         printf("*** You need a version of EXPAT newer than %d.%d.%d. The latest version of\n",
74                major, minor, micro);
75         printf("***\n");
76         printf("*** If you have already installed a sufficiently new version, this error\n");
77         printf("*** probably means that the wrong copy of the expat-config shell script is\n");
78         printf("*** being found. The easiest way to fix this is to remove the old version\n");
79         printf("*** of EXPAT, but you can also set the EXPAT_CONFIG environment to point to the\n");
80         printf("*** correct copy of expat-config. (In this case, you will have to\n");
81         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
82         printf("*** so that the correct libraries are found at run-time))\n");
83    }
84    return 1;
85 }
86 ],, no_expat=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
87        CFLAGS="$ac_save_CFLAGS"
88        LIBS="$ac_save_LIBS"
89   fi
90
91   if test "x$no_expat" = x ; then
92      AC_MSG_RESULT(yes)
93      ifelse([$2], , :, [$2])     
94   else
95      AC_MSG_RESULT(no)
96      if test -f conf.expattest ; then
97         :
98      else
99           echo "*** Could not run EXPAT test program, checking why..."
100           CFLAGS="$CFLAGS $EXPAT_CFLAGS"
101           LIBS="$LIBS $EXPAT_LIBS"
102           AC_TRY_LINK([
103 #include <expat.h>
104 #include <stdio.h>
105 ],      [ return (XML_ExpatVersion()); ],
106         [ echo "*** The test program compiled, but did not run. This usually means"
107           echo "*** that the run-time linker is not finding EXPAT or finding the wrong"
108           echo "*** version of EXPAT. If it is not finding EXPAT, you'll need to set your"
109           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
110           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
111           echo "*** is required on your system"
112           echo "***"
113           echo "*** If you have an old version installed, it is best to remove it, although"
114           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
115           echo "***" ],
116         [ echo "*** The test program failed to compile or link. See the file config.log for the"
117           echo "*** exact error that occured. This usually means EXPAT was incorrectly installed"
118           echo "*** or that you have moved EXPAT since it was installed. In the latter case, you"
119           echo "*** may want to edit the expat-config script: $EXPAT_CONFIG" ])
120           CFLAGS="$ac_save_CFLAGS"
121           LIBS="$ac_save_LIBS"
122      fi
123      EXPAT_CFLAGS=""
124      EXPAT_LIBS=""
125      ifelse([$3], , :, [$3])
126   fi
127   AC_SUBST(EXPAT_CFLAGS)
128   AC_SUBST(EXPAT_LIBS)
129   rm -f conf.expattest
130 ])
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