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From e5340f816aa273cfda36998466739ca0748caafb Mon Sep 17 00:00:00 2001
From: Martin Jansa <Martin.Jansa@gmail.com>
Date: Fri, 28 Jun 2019 13:50:52 +0000
Subject: [PATCH] examples/Makefile: respect CXX,LDFLAGS variables, fix build
with gold
* move pkg-config call to separate variable, so that the final version
of the whole command so it's shown in log.do_compile_ptest_base
* add ../src/google/protobuf/.libs/timestamp.pb.o when linking
add_person_cpp otherwise it fails to link with gold:
i686-oe-linux-g++ -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse --sysroot=core2-32-oe-linux/protobuf/3.8.0-r0/recipe-sysroot -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed add_person.cc addressbook.pb.cc -o add_person_cpp `pkg-config --cflags --libs protobuf`
/tmp/cccjSJQs.o:addressbook.pb.cc:scc_info_Person_addressbook_2eproto: error: undefined reference to 'scc_info_Timestamp_google_2fprotobuf_2ftimestamp_2eproto'
/tmp/cccjSJQs.o:addressbook.pb.cc:descriptor_table_addressbook_2eproto_deps: error: undefined reference to 'descriptor_table_google_2fprotobuf_2ftimestamp_2eproto'
collect2: error: ld returned 1 exit status
Makefile:43: recipe for target 'add_person_cpp' failed
* and the same with list_people_cpp this time with pkg-config already through the variable:
i686-oe-linux-g++ -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse --sysroot=core2-32-oe-linux/protobuf/3.8.0-r0/recipe-sysroot -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -pthread -Icore2-32-oe-linux/protobuf/3.8.0-r0/git/src -Lcore2-32-oe-linux/protobuf/3.8.0-r0/git/src/.libs -Lcore2-32-oe-linux/protobuf/3.8.0-r0/recipe-sysroot/usr/lib -lprotobuf list_people.cc addressbook.pb.cc -o list_people_cpp
/tmp/ccpaI5Su.o:addressbook.pb.cc:scc_info_Person_addressbook_2eproto: error: undefined reference to 'scc_info_Timestamp_google_2fprotobuf_2ftimestamp_2eproto'
/tmp/ccpaI5Su.o:addressbook.pb.cc:descriptor_table_addressbook_2eproto_deps: error: undefined reference to 'descriptor_table_google_2fprotobuf_2ftimestamp_2eproto'
collect2: error: ld returned 1 exit status
Makefile:49: recipe for target 'list_people_cpp' failed
Upstream-Status: Pending
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
---
examples/Makefile | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/examples/Makefile b/examples/Makefile
index e9f9635ae..b2fbe2de1 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -2,6 +2,8 @@
.PHONY: all cpp java python clean
+PROTOBUF := $(shell pkg-config --cflags --libs protobuf)
+
all: cpp java python
cpp: add_person_cpp list_people_cpp
@@ -41,11 +43,11 @@ protoc_middleman_dart: addressbook.proto
add_person_cpp: add_person.cc protoc_middleman
pkg-config --cflags protobuf # fails if protobuf is not installed
- c++ -std=c++11 add_person.cc addressbook.pb.cc -o add_person_cpp `pkg-config --cflags --libs protobuf`
+ $(CXX) $(CXXFLAGS) $(LDFLAGS) ../src/google/protobuf/.libs/timestamp.pb.o $(PROTOBUF) add_person.cc addressbook.pb.cc -o add_person_cpp
list_people_cpp: list_people.cc protoc_middleman
pkg-config --cflags protobuf # fails if protobuf is not installed
- c++ -std=c++11 list_people.cc addressbook.pb.cc -o list_people_cpp `pkg-config --cflags --libs protobuf`
+ $(CXX) $(CXXFLAGS) $(LDFLAGS) ../src/google/protobuf/.libs/timestamp.pb.o $(PROTOBUF) list_people.cc addressbook.pb.cc -o list_people_cpp
add_person_dart: add_person.dart protoc_middleman_dart
--
2.17.1
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