add autoconf test and fallback code for systems without gperf

configure.ac

@@ -204,6 +204,15 @@ fi #manpage_support_enabled
 
 AM_CONDITIONAL(HAVE_POD2MAN, test "x$POD2MAN" != "x" -a "x$POD2MAN" != "xno")
 
+AC_PATH_PROG(GPERF, gperf, no)
+AM_CONDITIONAL(HAVE_GPERF, test "x$GPERF" != "x" -a "x$GPERF" != "xno")
+AH_TEMPLATE([HAVE_GPERF],
+	    [Whether you have gperf installed for faster config parsing.])
+
+if test "x$GPERF" != "x" -a "x$GPERF" != "xno" ; then
+    AC_DEFINE(HAVE_GPERF)
+fi
+
 AC_CONFIG_FILES([
 Makefile
 src/Makefile

src/Makefile.am

@@ -60,5 +60,8 @@ EXTRA_tinyproxy_SOURCES = filter.c filter.h \
 tinyproxy_DEPENDENCIES = @ADDITIONAL_OBJECTS@
 tinyproxy_LDADD = @ADDITIONAL_OBJECTS@ -lpthread
 
-conf-tokens.c: conf-tokens.gperf
-	gperf $< > $@
+if HAVE_GPERF
+conf-tokens.c: conf-tokens-gperf.inc
+conf-tokens-gperf.inc: conf-tokens.gperf
+	$(GPERF) $< > $@
+endif

src/conf-tokens.c

@@ -0,0 +1,70 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include "conf-tokens.h"
+
+#ifdef HAVE_GPERF
+#include "conf-tokens-gperf.inc"
+#else
+
+#include <strings.h>
+
+const struct config_directive_entry *
+config_directive_find (register const char *str, register size_t len)
+{
+  size_t i;
+  static const struct config_directive_entry wordlist[] =
+    {
+      {"",CD_NIL}, {"",CD_NIL},
+      {"allow", CD_allow},
+      {"stathost", CD_stathost},
+      {"listen", CD_listen},
+      {"timeout", CD_timeout},
+      {"statfile", CD_statfile},
+      {"pidfile", CD_pidfile},
+      {"bindsame", CD_bindsame},
+      {"reversebaseurl", CD_reversebaseurl},
+      {"viaproxyname", CD_viaproxyname},
+      {"upstream", CD_upstream},
+      {"anonymous", CD_anonymous},
+      {"group", CD_group},
+      {"defaulterrorfile", CD_defaulterrorfile},
+      {"startservers", CD_startservers},
+      {"filtercasesensitive", CD_filtercasesensitive},
+      {"filterurls", CD_filterurls},
+      {"filter", CD_filter},
+      {"reversemagic", CD_reversemagic},
+      {"errorfile", CD_errorfile},
+      {"minspareservers", CD_minspareservers},
+      {"user", CD_user},
+      {"disableviaheader", CD_disableviaheader},
+      {"deny", CD_deny},
+      {"xtinyproxy", CD_xtinyproxy},
+      {"reversepath", CD_reversepath},
+      {"bind", CD_bind},
+      {"maxclients", CD_maxclients},
+      {"reverseonly", CD_reverseonly},
+      {"port", CD_port},
+      {"maxspareservers", CD_maxspareservers},
+      {"syslog", CD_syslog},
+      {"filterdefaultdeny", CD_filterdefaultdeny},
+      {"loglevel", CD_loglevel},
+      {"filterextended", CD_filterextended},
+      {"connectport", CD_connectport},
+      {"logfile", CD_logfile},
+      {"basicauth", CD_basicauth},
+      {"addheader", CD_addheader},
+      {"maxrequestsperchild", CD_maxrequestsperchild}
+    };
+
+	for(i=0;i<sizeof(wordlist)/sizeof(wordlist[0]);++i) {
+		if(!strcasecmp(str, wordlist[i].name))
+			return &wordlist[i];
+	}
+	return 0;
+}
+
+#endif