summaryrefslogtreecommitdiff
path: root/Makerules
diff options
context:
space:
mode:
Diffstat (limited to 'Makerules')
-rw-r--r--Makerules29
1 files changed, 6 insertions, 23 deletions
diff --git a/Makerules b/Makerules
index 223442cbfe..dadafdbc88 100644
--- a/Makerules
+++ b/Makerules
@@ -325,9 +325,9 @@ ifeq (yes,$(build-shared))
# Reference map file only when versioning is selected and a map file name
# is given.
ifeq ($(versioning),yes)
-load-map-file = $($(@F:%.so=%)-map)
-else
-load-map-file =
+map-file = $(firstword $(wildcard \
+ $($(@F:.so=-map)) $(@F:.so=.map) $(..)$(@F:.so=.map)))
+load-map-file = $(map-file:%=-Wl,--version-script=%)
endif
# Pattern rule to build a shared object from an archive of PIC objects.
@@ -338,12 +338,6 @@ endif
lib%.so: lib%_pic.a $(+preinit) $(+postinit)
$(build-shlib)
-ifeq ($(have-no-whole-archive),yes)
-no-whole-archive = -Wl,--no-whole-archive
-else
-no-whole-archive =
-endif
-
ifeq ($(elf),yes)
interp-obj = $(common-objpfx)elf/interp.os
$(common-objpfx)libc.so: $(interp-obj)
@@ -352,12 +346,12 @@ endif
define build-shlib
$(LINK.o) -shared -o $@ $(sysdep-LDFLAGS) $(config-LDFLAGS) \
- -B$(csu-objpfx) $(load-map-file:%=-Wl,--version-script=%) \
+ -B$(csu-objpfx) $(load-map-file) \
-Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \
$(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \
-L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \
-Wl,--whole-archive \
- $(filter-out $($(@F:.so=)-map) $(+preinit) $(+postinit),$^) \
+ $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \
$(no-whole-archive) $(LDLIBS-$(@F:lib%.so=%).so)
endef
@@ -385,8 +379,6 @@ LDFLAGS-c.so = -nostdlib -nostartfiles
LDLIBS-c.so = $(gnulib)
# Give libc.so an entry point and make it directly runnable itself.
LDFLAGS-c.so += -e __libc_main
-# We have a versioning file for libc.so.
-libc-map = $(..)libc.map
# Pre-link the objects of libc_pic.a so that we can locally resolve
# COMMON symbols before we link against ld.so. This is because ld.so
# contains some of libc_pic.a already, which will prevent the COMMONs
@@ -399,7 +391,7 @@ $(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a
$(common-objpfx)libc.so: $(elfobjdir)/soinit.os \
$(common-objpfx)libc_pic.os \
$(elfobjdir)/sofini.os $(elfobjdir)/ld.so \
- $(libc-map)
+ $(..)libc.map
$(build-shlib)
common-generated += libc.so libc_pic.os
ifdef libc.so-version
@@ -409,15 +401,6 @@ common-generated += libc.so$(libc.so-version)
endif
endif
-# Some files must not be compiled with the exception handler mechanism
-# enabled (introduced in gcc-2.8). Use $(no-exceptions) in the
-# appropriate CFLAGS definition.
-ifeq ($(have-no-exceptions),yes)
-no-exceptions = -fno-exceptions
-else
-no-exceptions =
-endif
-
# Figure out the source filenames in this directory.
override sources := $(addsuffix .c,$(filter-out $(elided-routines),\