1 files changed, 128 insertions, 0 deletions

diff --git a/m4/apache.m4 b/m4/apache.m4
new file mode 100644
index 0000000..b74f335
--- /dev/null
+++ b/m4/apache.m4
@@ -0,0 +1,128 @@
+dnl CHECK_PATH_APACHE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for Apache apxs
+dnl
+AC_DEFUN(CHECK_PATH_APACHE,
+[dnl
+AC_ARG_WITH(
+                apache,
+                [  --with-apache[=DIR]       Apache install root],
+                apache_prefix="$withval",
+                apache_prefix="/usr"
+        )
+AC_ARG_ENABLE(apachetest, [  --disable-apachetest    Do not try to compile and run apache version test program],
+                                        , enable_apachetest=yes)
+
+
+        AC_REQUIRE([AC_CANONICAL_TARGET])
+        PATH="$apache_prefix:$apache_prefix/bin:$apache_prefix/sbin:$PATH"
+        AC_PATH_PROG(APXS_BIN, apxs, no, [$PATH])
+        min_apache_version=ifelse([$1], ,1.3.1,$1)
+        AC_MSG_CHECKING(for Apache - version >= $min_apache_version)
+        no_apxs=""
+        if test "$APXS_BIN" == "no"; then
+                no_apxs=yes
+        else
+                APACHE_INCDIR=`$APXS_BIN -q INCLUDEDIR`
+                APACHE_CFLAGS=-I$APACHE_INCDIR
+                APACHE_MODDIR=`$APXS_BIN -q LIBEXECDIR`
+
+                if test "x$enable_apachetest" = "xyes" ; then
+                        ac_save_CFLAGS="$CFLAGS"
+                        CFLAGS="$CFLAGS $APACHE_CFLAGS"
+                AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "httpd.h"
+
+#ifndef AP_SERVER_BASEREVISION
+        #define AP_SERVER_BASEREVISION SERVER_BASEREVISION
+#endif
+                
+char* my_strdup (char *str)
+{
+        char *new_str;
+
+        if (str) {
+                new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
+                strcpy (new_str, str);
+        } else
+                new_str = NULL;
+
+        return new_str;
+}
+
+int main (int argc, char *argv[])
+{
+        int major1, minor1, micro1;
+        int major2, minor2, micro2;
+        char *tmp_version;
+
+        { FILE *fp = fopen("conf.apachetest", "a"); if ( fp ) fclose(fp); }
+
+        tmp_version = my_strdup("$min_apache_version");
+        if (sscanf(tmp_version, "%d.%d.%d", &major1, &minor1, &micro1) != 3) {
+                printf("%s, bad version string\n", "$min_apache_version");
+                exit(1);
+        }
+        tmp_version = my_strdup(AP_SERVER_BASEREVISION);
+        if (sscanf(tmp_version, "%d.%d.%d", &major2, &minor2, &micro2) != 3) {
+                printf("%s, bad version string\n", AP_SERVER_BASEREVISION);
+                exit(1);
+        }
+        if ((major2 > major1) ||
+                ((major2 == major1) && (minor2 > minor1)) ||
+                ((major2 == major1) && (minor2 == minor1) && (micro2 >= micro1)))
+        {
+                return 0;
+        } else {
+                printf("\n*** This module requires apache version %d.%d.%d or greater\n",
+                        major1, minor1, micro1);
+                printf("*** I found version %d.%d.%d. Please verify the installation directory\n",
+                        major2, minor2, micro2);
+                printf("*** of apache with the --with-apache configure option.\n");
+                return 1;
+        }
+}
+
+],, no_apxs=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+                        CFLAGS="$ac_save_CFLAGS"
+                fi
+        fi
+        if test "x$no_apxs" = x ; then
+                AC_MSG_RESULT(yes)
+                ifelse([$2], , :, [$2])
+        else
+        AC_MSG_RESULT(no)
+                if test "APXS_BIN" = "no" ; then
+                        echo "*** The apxs binary installed by apache could not be found"
+                        echo "*** If apache is installed in PREFIX, make sure PREFIX/bin is in"
+                        echo "*** your path, or use the --with-apache configure option"
+                else
+                        if test -f conf.apachetest ; then
+                                :
+                        else
+                                echo "*** Could not run Apache test program, checking why..."
+                                CFLAGS="$CFLAGS APACHE_CFLAGS"
+                                AC_TRY_LINK([
+#include <stdio.h>
+#include "httpd.h"
+
+int main(int argc, char *argv[])
+{ return 0; }
+#undef main
+#define main K_and_R_C_main
+],                                      [ return 0; ],
+                                        [ echo "*** The test program compiled, but failed to run. Check config.log" ],
+                                        [ echo "*** The test program failed to compile or link. Check config.log" ])
+                                CFLAGS="$ac_save_CFLAGS"
+                        fi
+                fi
+                APACHE_CFLAGS=""
+                ifelse([$3], , :, [$3])
+        fi
+        AC_SUBST(APACHE_CFLAGS)
+        AC_SUBST(APACHE_INCDIR)
+        AC_SUBST(APACHE_MODDIR)
+        rm -f conf.apachetest
+])