diff options
Diffstat (limited to 'm4/libevent_openssl.m4')
| -rw-r--r-- | m4/libevent_openssl.m4 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/m4/libevent_openssl.m4 b/m4/libevent_openssl.m4 index c20405950319..a5ea67620067 100644 --- a/m4/libevent_openssl.m4 +++ b/m4/libevent_openssl.m4 @@ -39,10 +39,19 @@ case "$enable_openssl" in done ;; esac + CPPFLAGS_SAVE=$CPPFLAGS + CPPFLAGS="$CPPFLAGS $OPENSSL_INCS" + AC_CHECK_HEADERS([openssl/ssl.h], [], [have_openssl=no]) + CPPFLAGS=$CPPFLAGS_SAVE AC_SUBST(OPENSSL_INCS) AC_SUBST(OPENSSL_LIBS) case "$have_openssl" in yes) AC_DEFINE(HAVE_OPENSSL, 1, [Define if the system has openssl]) ;; + *) AC_MSG_ERROR([openssl is a must but can not be found. You should add the \ +directory containing `openssl.pc' to the `PKG_CONFIG_PATH' environment variable, \ +or set `CFLAGS' and `LDFLAGS' directly for openssl, or use `--disable-openssl' \ +to disable support for openssl encryption]) + ;; esac ;; esac |