Author: emaste
Date: Thu Oct 13 19:18:00 2016
New Revision: 307231
URL: https://svnweb.freebsd.org/changeset/base/307231
Log:
libgcc_s: add libm dependencies from div{d,s,x}c3
compiler-rt's complex division support routines contain calls to
compiler builtins such as `__builtin_scalbnl`. Unfortunately Clang
turns these back into a call to `scalbnl`.
For now link libm's C version of the required support routines.
Reviewed by: ed
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D8190
Modified:
head/lib/libgcc_s/Makefile
Modified: head/lib/libgcc_s/Makefile
==============================================================================
--- head/lib/libgcc_s/Makefile Thu Oct 13 18:57:18 2016 (r307230)
+++ head/lib/libgcc_s/Makefile Thu Oct 13 19:18:00 2016 (r307231)
@@ -11,4 +11,22 @@ VERSION_MAP= ${.CURDIR}/Version.map
.include "../libcompiler_rt/Makefile.inc"
.include "../libgcc_eh/Makefile.inc"
+LIBCSRCDIR= ${SRCTOP}/lib/libc
+LIBMSRCDIR= ${SRCTOP}/lib/msun/src
+CFLAGS+= -I${LIBCSRCDIR}/include -I${LIBCSRCDIR}/${MACHINE_CPUARCH}
+CFLAGS+= -I${LIBMSRCDIR}
+.PATH: ${LIBMSRCDIR}
+SRCS+= s_fabs.c
+SRCS+= s_fabsf.c
+SRCS+= s_fabsl.c
+SRCS+= s_fmax.c
+SRCS+= s_fmaxf.c
+SRCS+= s_fmaxl.c
+SRCS+= s_logb.c
+SRCS+= s_logbf.c
+SRCS+= s_logbl.c
+SRCS+= s_scalbn.c
+SRCS+= s_scalbnf.c
+SRCS+= s_scalbnl.c
+
.include <bsd.lib.mk>
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