Hi, Robert Watson schrieb:
On Wed, 18 Nov 2009, Mario Schwalbe wrote:
Linux needs -lm in order to compile the testing directory due to fabs(). Could you confirm that this doesn't create an unnecessary libm dependency for libdispatch itself?
No, it does create a superfluous dependency. # ldd install/libdispatch-{gcc,llvm-gcc}/lib/libdispatch.so install/libdispatch-gcc/lib/libdispatch.so: linux-vdso.so.1 => (0x00007fff007ff000) libkqueue.so => /home/mario/diplom/install/libkqueue/lib/libkqueue.so (0x00007f9f49893000) libm.so.6 => /lib/libm.so.6 (0x00007f9f495e3000) librt.so.1 => /lib/librt.so.1 (0x00007f9f493da000) libc.so.6 => /lib/libc.so.6 (0x00007f9f4906b000) libpthread.so.0 => /lib/libpthread.so.0 (0x00007f9f48e4f000) /lib64/ld-linux-x86-64.so.2 (0x00007f9f49cb0000) install/libdispatch-llvm-gcc/lib/libdispatch.so: linux-vdso.so.1 => (0x00007fffcadff000) libkqueue.so => /home/mario/diplom/install/libkqueue/lib/libkqueue.so (0x00007f6b3e72a000) libm.so.6 => /lib/libm.so.6 (0x00007f6b3e47a000) librt.so.1 => /lib/librt.so.1 (0x00007f6b3e271000) libBlocksRuntime.so => not found libc.so.6 => /lib/libc.so.6 (0x00007f6b3df02000) libpthread.so.0 => /lib/libpthread.so.0 (0x00007f6b3dce5000) /lib64/ld-linux-x86-64.so.2 (0x00007f6b3eb48000) The patch should have been: Index: configure.ac =================================================================== --- configure.ac (Revision 171) +++ configure.ac (Arbeitskopie) @@ -138,6 +138,7 @@ # AC_SEARCH_LIBS(clock_gettime, rt) AC_SEARCH_LIBS(pthread_create, pthread) +LT_LIB_M # # Prefer native kqueue(2); otherwise use libkqueue if present. Index: testing/Makefile.am =================================================================== --- testing/Makefile.am (Revision 171) +++ testing/Makefile.am (Arbeitskopie) @@ -33,6 +33,7 @@ dispatch_sema \ dispatch_timer_bit31 \ dispatch_timer_bit63 +dispatch_drift_LDFLAGS=$(LIBM) endif TESTS+=$(CBLOCKS_TESTS)