autoconf: Generate modules.c based on configuration. This is the first

step to supporting selection of modules, and it seems to make --with-mpm
actually work now.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@59504 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 48 insertions, 0 deletions

diff --git a/helpers/build-modules-c.awk b/helpers/build-modules-c.awk
new file mode 100644
index 000000000..0da842152
--- /dev/null
+++ b/helpers/build-modules-c.awk
@@ -0,0 +1,48 @@
+BEGIN {
+    RS = " "
+    modules[n++] = "core"
+    pmodules[pn++] = "core"
+} 
+{ modules[n++] = $1 ; pmodules[pn++] = $1 } 
+END {
+    print "/*"
+    print " * modules.c --- automatically generated by Apache"
+    print " * configuration script.  DO NOT HAND EDIT!!!!!"
+    print " */"
+    print ""
+    print "#include \"httpd.h\""
+    print "#include \"http_config.h\""
+    print ""
+    for (i = 0; i < pn; ++i) {
+        printf ("extern module %s_module;\n", pmodules[i])
+    }
+    print ""
+    print "/*"
+    print " *  Modules which implicitly form the"
+    print " *  list of activated modules on startup,"
+    print " *  i.e. these are the modules which are"
+    print " *  initially linked into the Apache processing"
+    print " *  [extendable under run-time via AddModule]"
+    print " */"
+    print "module *ap_prelinked_modules[] = {"
+    for (i = 0; i < n; ++i) {
+        printf "  &%s_module,\n", modules[i]
+    }
+    print "  NULL"
+    print "};"
+    print ""
+    print "/*"
+    print " *  Modules which initially form the"
+    print " *  list of available modules on startup,"
+    print " *  i.e. these are the modules which are"
+    print " *  initially loaded into the Apache process"
+    print " *  [extendable under run-time via LoadModule]"
+    print " */"
+    print "module *ap_preloaded_modules[] = {"
+    for (i = 0; i < pn; ++i) {
+        printf "  &%s_module,\n", pmodules[i]
+    }
+    print "  NULL"
+    print "};"
+    print ""
+}