From 0020f1aa27674141c81bf3339a40d14edc55423a Mon Sep 17 00:00:00 2001
From: Snaipe <franklinmathieu@gmail.com>
Date: Mon, 4 May 2015 00:05:52 +0200
Subject: [PATCH] Added autoconf conditional for PCRE

---
 configure.ac | 4 ++--
 src/main.c   | 8 ++++----
 src/report.c | 6 +++---
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/configure.ac b/configure.ac
index a0d8d93..4d9b7a0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,13 +24,13 @@ AC_CHECK_LIB([csptr], [smalloc], [], [AC_MSG_ERROR([Could not find libcsptr depe
               Please go to https://github.com/Snaipe/c-smart-pointers.git \
               and follow the installation instructions.])])
 
-AC_FUNC_FNMATCH
-
 enable_rt_tests="no"
 AC_CHECK_LIB([rt], [clock_gettime], [enable_rt_tests="yes"])
 
 AM_CONDITIONAL([ENABLE_RT_TESTS], [test "x$enable_rt_tests" != "xno"])
 
+AC_CHECK_LIB([pcre], [pcre_compile], [AC_DEFINE([HAVE_PCRE], [1], [Define to 1 if you have the `pcre` library (-lpcre)])])
+
 AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION([0.18])
 
diff --git a/src/main.c b/src/main.c
index 32859c9..0402d71 100644
--- a/src/main.c
+++ b/src/main.c
@@ -38,7 +38,7 @@
 
 # define VERSION_MSG "Tests compiled with Criterion v" VERSION "\n"
 
-#ifdef HAVE_FNMATCH
+#ifdef HAVE_PCRE
 # define PATTERN_USAGE                                      \
     "    --pattern [PATTERN]: run tests matching the "      \
             "given pattern\n"
@@ -124,7 +124,7 @@ int main(int argc, char *argv[]) {
         {"list",            no_argument,        0, 'l'},
         {"ascii",           no_argument,        0, 'k'},
         {"fail-fast",       no_argument,        0, 'f'},
-#ifdef HAVE_FNMATCH
+#ifdef HAVE_PCRE
         {"pattern",         required_argument,  0, 'p'},
 #endif
         {"always-succeed",  no_argument,        0, 'y'},
@@ -146,7 +146,7 @@ int main(int argc, char *argv[]) {
     opt->fail_fast         = !strcmp("1", getenv("CRITERION_FAIL_FAST")      ?: "0");
     opt->use_ascii         = use_ascii;
     opt->logging_threshold = atoi(getenv("CRITERION_VERBOSITY_LEVEL") ?: "2");
-#ifdef HAVE_FNMATCH
+#ifdef HAVE_PCRE
     opt->pattern           = getenv("CRITERION_TEST_PATTERN");
 #endif
 
@@ -162,7 +162,7 @@ int main(int argc, char *argv[]) {
             case 'z': criterion_options.no_early_exit     = true; break;
             case 'k': criterion_options.use_ascii         = true; break;
             case 'f': criterion_options.fail_fast         = true; break;
-#ifdef HAVE_FNMATCH
+#ifdef HAVE_PCRE
             case 'p': criterion_options.pattern           = optarg; break;
 #endif
             case 't': use_tap = true; break;
diff --git a/src/report.c b/src/report.c
index 4ebbd8f..59e3738 100644
--- a/src/report.c
+++ b/src/report.c
@@ -32,7 +32,7 @@
 #include "report.h"
 #include "config.h"
 
-#ifdef HAVE_FNMATCH
+#ifdef HAVE_PCRE
 #include "extmatch.h"
 #endif
 
@@ -53,7 +53,7 @@
 __attribute__((always_inline))
 static inline void nothing() {}
 
-#ifdef HAVE_FNMATCH
+#ifdef HAVE_PCRE
 void disable_unmatching(struct criterion_test_set *set) {
     FOREACH_SET(struct criterion_suite_set *s, set->suites) {
         if ((s->suite.data && s->suite.data->disabled) || !s->tests)
@@ -74,7 +74,7 @@ void disable_unmatching(struct criterion_test_set *set) {
 #endif
 
 IMPL_REPORT_HOOK(PRE_ALL)(struct criterion_test_set *set) {
-#ifdef HAVE_FNMATCH
+#ifdef HAVE_PCRE
     if (criterion_options.pattern) {
         disable_unmatching(set);
     }