From: Fabrice Fontaine Date: Fri, 22 Jan 2021 22:52:21 +0000 (+0100) Subject: package/libpcap: fix build failure without wchar X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=768213c71b7d3c2defb683b7073bc197236f80da;p=buildroot.git package/libpcap: fix build failure without wchar libpcap requires c99 since version 1.10.0 and https://github.com/the-tcpdump-group/libpcap/commit/68e5ca3f4cbb66d687582ae9563009c87bf3d184 However, this test will fail without wchar on: configure:3609: /home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-linux-gcc -std=gnu99 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 conftest.c >&5 conftest.c:52:9: error: unknown type name 'wchar_t' const wchar_t *name; ^~~~~~~ So hardcode ac_cv_prog_cc_c99 as already done in numerous package such as apparmor, wireshark, xz, etc. Fixes: - http://autobuild.buildroot.org/results/6e87c25a0dccccf5e7ad03742597a0613f554506 Signed-off-by: Fabrice Fontaine Signed-off-by: Thomas Petazzoni --- diff --git a/package/libpcap/libpcap.mk b/package/libpcap/libpcap.mk index 81e7cd4ab0..24215ebed5 100644 --- a/package/libpcap/libpcap.mk +++ b/package/libpcap/libpcap.mk @@ -12,8 +12,11 @@ LIBPCAP_CPE_ID_VENDOR = tcpdump LIBPCAP_INSTALL_STAGING = YES LIBPCAP_DEPENDENCIES = host-flex host-bison host-pkgconf +# ac_cv_prog_cc_c99 is required for BR2_USE_WCHAR=n because the C99 test +# provided by autoconf relies on wchar_t. LIBPCAP_CONF_ENV = \ ac_cv_header_linux_wireless_h=yes \ + ac_cv_prog_cc_c99=-std=gnu99 \ CFLAGS="$(LIBPCAP_CFLAGS)" LIBPCAP_CFLAGS = $(TARGET_CFLAGS) LIBPCAP_CONF_OPTS = --disable-yydebug --with-pcap=linux --without-dag \