Brilliantov Kirill Vladimirovich wrote on 04/14/14 13:17: > Hello! > I try cross-compile libevent-2.1.4-alpha for ARM CPU. > Follow my configuration options: > ./configure --prefix=/tmp/libevent --host=arm-fsl-linux-gnueabi > --disable-debug-mode --disable-libevent-install > --disable-libevent-regress --enable-function-sections > --enable-gcc-hardening > CC=/opt/freescale/usr/local/gcc-4.4.4-glibc-2.11.1-multilib-1.0/arm-fsl-linux-gnueabi/bin/arm-fsl-linux-gnueabi-gcc > CFLAGS=-I/opt/IMX53/ltib/rpm/BUILD/openssl-0.9.8g/include > LDFLAGS=-L/opt/IMX53/ltib/rpm/BUILD/openssl-0.9.8g -lssl -lcrypto > > Unfortunately compilation stopped on samples: > CCLD sample/le-proxy > CC sample/https-client.o > sample/https-client.c: In function 'main': > sample/https-client.c:350: warning: implicit declaration of function > 'SSL_set_tlsext_host_name' > sample/https-client.c:350: warning: nested extern declaration of > 'SSL_set_tlsext_host_name' > CC sample/hostcheck.o > CC sample/openssl_hostname_validation.o > CCLD sample/https-client > sample/https-client.o: In function `main': > https-client.c:(.text+0xa78): undefined reference to > `SSL_set_tlsext_host_name' > collect2: ld returned 1 exit status > make[2]: *** [sample/https-client] Error 1 > > I think I found possible reason - configure search OpenSSL in system: > $ grep SSL_INCS libevent-2.1.4-alpha/configure > OPENSSL_INCS > OPENSSL_INCS=`$PKG_CONFIG --cflags openssl 2>/dev/null` > > I think problem will be solved after added OpenSSL configuration options > in configuration, e.g. OPENSSL_INCLUDE_DIR and OPENSSK_LIB_DIR. > > Or may by I have another way for solving this problem? > Thank you and excuse me for my bad english. >
I disable build sample and this solve problem, please see attached patches. -- Best regards, Brilliantov Kirill Vladimirovich
--- libevent-2.1.4-alpha/configure.ac.org 2014-04-14 13:41:58.646258921 +0400 +++ libevent-2.1.4-alpha/configure.ac 2014-04-14 13:57:07.364411533 +0400 @@ -117,7 +117,9 @@ AC_ARG_ENABLE([verbose-debug], AS_HELP_STRING([--enable-verbose-debug, verbose debug logging]), [], [enable_verbose_debug=no]) - +AC_ARG_ENABLE([build-samples], + AS_HELP_STRING([--disable-samples, disable build samples]), + [], [build_samples=yes]) AC_PROG_LIBTOOL @@ -128,6 +130,7 @@ AC_SUBST(LIBTOOL_DEPS) AM_CONDITIONAL([BUILD_REGRESS], [test "$enable_libevent_regress" = "yes"]) +AM_CONDITIONAL([BUILD_SAMPLES], [test "$enable_build_samples" = "yes"]) dnl Checks for libraries. AC_SEARCH_LIBS([inet_ntoa], [nsl])
--- libevent-2.1.4-alpha/sample/include.am.org 2014-04-14 13:59:06.551978237 +0400 +++ libevent-2.1.4-alpha/sample/include.am 2014-04-14 13:59:31.356374799 +0400 @@ -4,6 +4,7 @@ # # See LICENSE for copying information. +if BUILD_SAMPLES SAMPLES = \ sample/dns-example \ sample/event-read-fifo \ @@ -46,5 +47,5 @@ sample_hello_world_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la sample_http_server_SOURCES = sample/http-server.c sample_http_server_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la - +endif
