Merge branch 'js/regexec-buf'

* js/regexec-buf:
configure.ac: improve description of NO_REGEX test

diff --combined configure.ac
index 3a43b7a5b35008829f3d63df009d9bd76a62fcc8,a7287aa985b1c12e7cf3df9046762e052aa89d61..0b15f04b1089e48f20353cf068d7d37587b8d966
--- 1/configure.ac
--- 2/configure.ac
+++ b/configure.ac
@@@ -528,6 -528,16 +528,6 @@@ AC_CHECK_LIB([curl], [curl_global_init]
  [NO_CURL=],
  [NO_CURL=YesPlease])
  
 -if test -z "${NO_CURL}" && test -z "${NO_OPENSSL}"; then
 -
 -AC_CHECK_LIB([curl], [Curl_ssl_init],
 -[NEEDS_SSL_WITH_CURL=YesPlease],
 -[NEEDS_SSL_WITH_CURL=])
 -
 -GIT_CONF_SUBST([NEEDS_SSL_WITH_CURL])
 -
 -fi
 -
  GIT_UNSTASH_FLAGS($CURLDIR)
  
  GIT_CONF_SUBST([NO_CURL])
@@@ -540,17 -550,6 +540,17 @@@ AC_CHECK_PROG([CURL_CONFIG], [curl-conf
  
  if test $CURL_CONFIG != no; then
      GIT_CONF_SUBST([CURL_CONFIG])
 +    if test -z "${NO_OPENSSL}"; then
 +      AC_MSG_CHECKING([if Curl supports SSL])
 +      if test $(curl-config --features|grep SSL) = SSL; then
 +         NEEDS_SSL_WITH_CURL=YesPlease
 +         AC_MSG_RESULT([yes])
 +      else
 +         NEEDS_SSL_WITH_CURL=
 +         AC_MSG_RESULT([no])
 +      fi
 +      GIT_CONF_SUBST([NEEDS_SSL_WITH_CURL])
 +    fi
  fi
  
  fi
@@@ -836,9 -835,10 +836,10 @@@ AC_CHECK_TYPE([struct addrinfo],
  ])
  GIT_CONF_SUBST([NO_IPV6])
  #
- # Define NO_REGEX if you have no or inferior regex support in your C library.
- AC_CACHE_CHECK([whether the platform regex can handle null bytes],
-  [ac_cv_c_excellent_regex], [
+ # Define NO_REGEX if your C library lacks regex support with REG_STARTEND
+ # feature.
+ AC_CACHE_CHECK([whether the platform regex supports REG_STARTEND],
+  [ac_cv_c_regex_with_reg_startend], [
  AC_EGREP_CPP(yippeeyeswehaveit,
        AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
  #include <regex.h>
@@@ -847,10 -847,10 +848,10 @@@
  yippeeyeswehaveit
  #endif
  ]),
-       [ac_cv_c_excellent_regex=yes],
-       [ac_cv_c_excellent_regex=no])
+       [ac_cv_c_regex_with_reg_startend=yes],
+       [ac_cv_c_regex_with_reg_startend=no])
  ])
- if test $ac_cv_c_excellent_regex = yes; then
+ if test $ac_cv_c_regex_with_reg_startend = yes; then
        NO_REGEX=
  else
        NO_REGEX=YesPlease
@@@ -1109,19 -1109,14 +1110,19 @@@ GIT_CONF_SUBST([HAVE_BSD_SYSCTL]
  AC_DEFUN([PTHREADTEST_SRC], [
  AC_LANG_PROGRAM([[
  #include <pthread.h>
 +static void *noop(void *ignore) { return ignore; }
  ]], [[
        pthread_mutex_t test_mutex;
        pthread_key_t test_key;
 +      pthread_t th;
        int retcode = 0;
 +      void *ret = (void *)0;
        retcode |= pthread_key_create(&test_key, (void *)0);
        retcode |= pthread_mutex_init(&test_mutex,(void *)0);
        retcode |= pthread_mutex_lock(&test_mutex);
        retcode |= pthread_mutex_unlock(&test_mutex);
 +      retcode |= pthread_create(&th, ret, noop, ret);
 +      retcode |= pthread_join(th, &ret);
        return retcode;
  ]])])