From 0374b55942e533a3c3997439481a8d05d6c8f729 Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Sat, 8 Jun 2019 23:44:37 +0200 Subject: [PATCH] m4/libevent_openssl.m4: fix detection of openssl Since commit 506df426dbeb0187bbd3654bd286b4100628fb16, OPENSSL_INCS is added to CPPFLAGS without any white space, as a result openssl detection fails on: configure:10395: checking openssl/ssl.h usability configure:10395: /home/fabrice/buildroot-test/buildroot/output/host/bin/riscv32-linux-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -Wall -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64-I/home/fabrice/buildroot-test/buildroot/output/host/bin/../riscv32-buildroot-linux-gnu/sysroot/usr/include conftest.c >&5 :0:0: warning: "_FILE_OFFSET_BITS" redefined :0:0: note: this is the location of the previous definition :0:23: error: division by zero in #if Signed-off-by: Fabrice Fontaine --- m4/libevent_openssl.m4 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/m4/libevent_openssl.m4 b/m4/libevent_openssl.m4 index 7b4581340..19811981e 100644 --- a/m4/libevent_openssl.m4 +++ b/m4/libevent_openssl.m4 @@ -40,7 +40,7 @@ case "$enable_openssl" in ;; esac CPPFLAGS_SAVE=$CPPFLAGS - CPPFLAGS+=$OPENSSL_INCS + CPPFLAGS="$CPPFLAGS $OPENSSL_INCS" AC_CHECK_HEADERS([openssl/ssl.h], [], [have_openssl=no]) CPPFLAGS=$CPPFLAGS_SAVE AC_SUBST(OPENSSL_INCS)