swc

commit 2b04296673ea352e4d14ba4fc1b9833bebdd77b2
parent 5192aff3bcd6494b3ee785219e2dff480193d327
Author: Michael Forney <mforney@mforney.org>
Date:   Sat,  1 Nov 2014 07:07:40 +0000

Use partial linking and objcopy --localize-hidden for libswc.a

This way, we don't expose internal symbols in the static library.

Diffstat:
M
Makefile
 | 
1
+
M
config.mk
 | 
1
+
M
libswc/local.mk
 | 
8
+++++++-

3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
@@ -88,6 +88,7 @@ Q_AR      = $(call quiet,AR     )
 Q_CC      = $(call quiet,CC     )
 Q_CCLD    = $(call quiet,CCLD   )
 Q_GEN     = $(call quiet,GEN    )
+Q_OBJCOPY = $(call quiet,OBJCOPY)
 Q_SYM     = $(call quiet,SYM    )
 
 compile   = $(Q_CC)$(CC) $(FINAL_CPPFLAGS) $(FINAL_CFLAGS) -I . -c -o $@ $< \
diff --git a/config.mk b/config.mk
@@ -11,6 +11,7 @@
 
 CC              = gcc
 CFLAGS          = -pipe
+OBJCOPY         = objcopy
 # PKG_CONFIG      = pkg-config
 # WAYLAND_SCANNER = wayland-scanner
 
diff --git a/libswc/local.mk b/libswc/local.mk
@@ -83,7 +83,13 @@ $(call objects,drm drm_buffer): protocol/wayland-drm-server-protocol.h
 $(call objects,xdg_shell xdg_surface xdg_popup): protocol/xdg-shell-server-protocol.h
 $(call objects,pointer): cursor/cursor_data.h
 
-$(dir)/libswc.a: $(SWC_STATIC_OBJECTS)
+$(dir)/libswc-internal.o: $(SWC_STATIC_OBJECTS)
+	$(link) -nostdlib -r
+
+$(dir)/libswc.o: $(dir)/libswc-internal.o
+	$(Q_OBJCOPY)$(OBJCOPY) --localize-hidden $< $@
+
+$(dir)/libswc.a: $(dir)/libswc.o
 	$(Q_AR)$(AR) cru $@ $^
 
 $(dir)/$(LIBSWC_LIB): $(SWC_SHARED_OBJECTS)