From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Fri, 9 Nov 2012 10:19:59 +0100 Subject: [Buildroot] [PATCH 1/2 v2] xtensa: add support for the Xtensa architecture In-Reply-To: <509ca3b9.e9c5440a.24b8.24a1@mx.google.com> References: <509ca3b9.e9c5440a.24b8.24a1@mx.google.com> Message-ID: <20121109101959.70d640d5@skate> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Dear Chris Zankel, On Thu, 08 Nov 2012 22:33:28 -0800, Chris Zankel wrote: > The Xtensa architecture had been removed because it required special > handling and depended on additional directories and files that became > obsolete over time. This change is more aligned to other architectures. > > Signed-off-by: Chris Zankel Unfortunately, the default toolchain configuration for Xtensa doesn't. I.e, I tried to build the minimal configuration: BR2_xtensa=y BR2_PACKAGE_LUA=y BR2_PACKAGE_LUA_INTERPRETER=y BR2_PACKAGE_AVAHI=y And the build of gcc intermediate fails horribly with pthread errors: xtensa-buildroot-linux-uclibc/bin/ -B/home/test/outputs/xtensa/host/usr/xtensa-buildroot-linux-uclibc/lib/ -isystem /home/test/outputs/xtensa/host/usr/xtensa-buildroot-linux-u clibc/include -isystem /home/test/outputs/xtensa/host/usr/xtensa-buildroot-linux-uclibc/sys-include -g -Os -O2 -g -Os -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wwrit e-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED - fno-stack-protector -I. -I. -I../.././gcc -I/home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc -I/home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/. -I/home/test/output s/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc -I/home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../include -DHAVE_CC_TLS -o _negdi2.o -MT _negdi2.o -MD -MP -MF _negdi2.dep -DL_negdi2 -c /home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc/libgcc2.c \ -fvisibility=hidden -DHIDE_EXPORTS In file included from /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/stdio.h:72:0, from /home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc/tsystem.h:87, from /home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc/libgcc2.c:29: /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/bits/uClibc_stdio.h:274:2: error: unknown type name 'pthread_mutex_t' In file included from /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/bits/uClibc_mutex.h:15:0, from /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/bits/uClibc_stdio.h:107, from /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/stdio.h:72, from /home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc/tsystem.h:87, from /home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc/libgcc2.c:29: /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:227:28: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:228:7: error: unknown type name 'pthread_attr_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:244:26: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:249:32: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:257:34: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:265:28: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:269:1: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:272:27: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:272:48: error: unknown type name 'pthread_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:280:31: error: unknown type name 'pthread_attr_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:283:34: error: unknown type name 'pthread_attr_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:287:1: error: unknown type name 'pthread_attr_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:292:41: error: unknown type name 'pthread_attr_t' /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/pthread.h:298:1: error: unknown type name 'pthread_attr_t' [... many more ...] In file included from /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/stdio.h:72:0, from /home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc/tsystem.h:87, from /home/test/outputs/xtensa/toolchain/gcc-4.6.3/libgcc/../gcc/libgcc2.c:29: /home/test/outputs/xtensa/toolchain/uClibc_dev//usr/include/bits/uClibc_stdio.h:274:2: error: unknown type name 'pthread_mutex_t' make[3]: *** [_muldi3.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[3]: *** [_negdi2.o] Error 1 make[2]: *** [all-target-libgcc] Error 2 make[1]: *** [/home/test/outputs/xtensa/toolchain/gcc-4.6.3-intermediate/.compiled] Error 2 make: *** [all] Error 2 Is it that the pthread support for Xtensa is not available in uClibc? Best regards, Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com