[PATCH v1.1 10/10] tools/libs: Write out an ABI analysis when abi-dumper is available

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Ian Jackson <iwj@xxxxxxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
CC: Juergen Gross <jgross@xxxxxxxx>

v2:
 * Swap XEN_COMPILE_ARCH for XEN_TARGET_ARCH
 * Swap abi-dumper for $(ABI_DUMPER)
---
 tools/libs/libs.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/libs/libs.mk b/tools/libs/libs.mk
index ac68996ab2..a82d1783cc 100644
--- a/tools/libs/libs.mk
+++ b/tools/libs/libs.mk
@@ -49,6 +49,8 @@ PKG_CONFIG_LOCAL := $(PKG_CONFIG_DIR)/$(PKG_CONFIG)
 LIBHEADER ?= $(LIB_FILE_NAME).h
 LIBHEADERS = $(foreach h, $(LIBHEADER), $(XEN_INCLUDE)/$(h))
 
+PKG_ABI := lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR)-$(XEN_TARGET_ARCH)-abi.dump
+
 $(PKG_CONFIG_LOCAL): PKG_CONFIG_PREFIX = $(XEN_ROOT)
 $(PKG_CONFIG_LOCAL): PKG_CONFIG_INCDIR = $(XEN_INCLUDE)
 $(PKG_CONFIG_LOCAL): PKG_CONFIG_LIBDIR = $(CURDIR)
@@ -94,6 +96,13 @@ lib$(LIB_FILE_NAME).so.$(MAJOR): 
lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR)
 lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR): $(PIC_OBJS) libxen$(LIBNAME).map
        $(CC) $(LDFLAGS) $(PTHREAD_LDFLAGS) -Wl,$(SONAME_LDFLAG) 
-Wl,lib$(LIB_FILE_NAME).so.$(MAJOR) $(SHLIB_LDFLAGS) -o $@ $(PIC_OBJS) 
$(LDUSELIBS) $(APPEND_LDFLAGS)
 
+# If abi-dumper is available, write out the ABI analysis
+ifneq ($(ABI_DUMPER),)
+libs: $(PKG_ABI)
+$(PKG_ABI): lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR) headers.lst
+       $(ABI_DUMPER) $< -o $@ -public-headers headers.lst -lver 
$(MAJOR).$(MINOR)
+endif
+
 .PHONY: install
 install: build
        $(INSTALL_DIR) $(DESTDIR)$(libdir)
-- 
2.11.0