Linking 'stdbuf.so' failed with gcc-5.0 on x86_64 when -fpie compilation was enabled which includes -fno-PIC.
ld: src/src_libstdbuf_so-libstdbuf.o: relocation R_X86_64_PC32 \ against undefined symbol `stderr@@GLIBC_2.2.5' can not be \ used when making a shared object; recompile with -fPIC * src/local.mk (src_libstdbuf_so_CFLAGS): Explicitly choose the options "-fno-pie -fPIC" for the compilation of "stdbuf.c". --- src/local.mk | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/local.mk b/src/local.mk index 19152f0..60ba3c7 100644 --- a/src/local.mk +++ b/src/local.mk @@ -406,8 +406,10 @@ src_libstdbuf_so_LDADD = $(LIBINTL) # Note libstdbuf is only compiled if GCC is available # (as per the check in configure.ac), so these flags should be available. # libtool is probably required to relax this dependency. +# As a given -fpie option may implicitly include -fno-PIC +# (e.g. on gcc-5.0), explicitly choose PIC compilation. src_libstdbuf_so_LDFLAGS = -shared -src_libstdbuf_so_CFLAGS = -fPIC $(AM_CFLAGS) +src_libstdbuf_so_CFLAGS = $(AM_CFLAGS) -fno-pie -fPIC BUILT_SOURCES += src/coreutils.h if SINGLE_BINARY -- 2.1.4
