linux-kernel - [PATCH v2 02/14] perf: Use -iquote for local include paths

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Message-Id: <3b5e3020c0e2365d5ecb38a49ef5bcbdc3b9291c.1449548395.git.jpoimboe@redhat.com>
Date:	Mon,  7 Dec 2015 22:21:40 -0600
From:	Josh Poimboeuf <jpoimboe@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH v2 02/14] perf: Use -iquote for local include paths

If there's a local header file which has the same name as a system
header file, '#include <header.h>' will mistakenly include the local
file instead of the system file.

With the next patch we'll have a string.h file.  Use the '-iquote'
option to prepare for it so that '#include "string.h"' picks up the
local version.

Note that after applying this patch, a 'make clean' is needed to clear
out the old versions of tools/perf/tests/llvm-src-*.c.

Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
---
 tools/perf/config/Makefile | 4 ++--
 tools/perf/tests/Build     | 6 +++---
 tools/perf/tests/bpf.c     | 4 ++--
 tools/perf/tests/llvm.c    | 4 ++--
 tools/perf/util/thread.h   | 4 ++--
 5 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 6eb9a95..4f96ca3 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -210,8 +210,8 @@ CFLAGS += -I$(obj-perf)/util
 CFLAGS += -I$(obj-perf)
 endif
 
-CFLAGS += -I$(src-perf)/util
-CFLAGS += -I$(src-perf)
+CFLAGS += -iquote $(src-perf)/util
+CFLAGS += -iquote $(src-perf)
 CFLAGS += -I$(srctree)/tools/lib/
 
 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
index 0ff8a97..f8888e8 100644
--- a/tools/perf/tests/Build
+++ b/tools/perf/tests/Build
@@ -37,21 +37,21 @@ perf-y += topology.o
 
 $(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c
 	$(call rule_mkdir)
-	$(Q)echo '#include <tests/llvm.h>' > $@
+	$(Q)echo '#include "tests/llvm.h"' > $@
 	$(Q)echo 'const char test_llvm__bpf_base_prog[] =' >> $@
 	$(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@
 	$(Q)echo ';' >> $@
 
 $(OUTPUT)tests/llvm-src-kbuild.c: tests/bpf-script-test-kbuild.c
 	$(call rule_mkdir)
-	$(Q)echo '#include <tests/llvm.h>' > $@
+	$(Q)echo '#include "tests/llvm.h"' > $@
 	$(Q)echo 'const char test_llvm__bpf_test_kbuild_prog[] =' >> $@
 	$(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@
 	$(Q)echo ';' >> $@
 
 $(OUTPUT)tests/llvm-src-prologue.c: tests/bpf-script-test-prologue.c
 	$(call rule_mkdir)
-	$(Q)echo '#include <tests/llvm.h>' > $@
+	$(Q)echo '#include "tests/llvm.h"' > $@
 	$(Q)echo 'const char test_llvm__bpf_test_prologue_prog[] =' >> $@
 	$(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@
 	$(Q)echo ';' >> $@
diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index 33689a0..044a119 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <sys/epoll.h>
-#include <util/bpf-loader.h>
-#include <util/evlist.h>
+#include "util/bpf-loader.h"
+#include "util/evlist.h"
 #include "tests.h"
 #include "llvm.h"
 #include "debug.h"
diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c
index 06f45c1..dc90cea 100644
--- a/tools/perf/tests/llvm.c
+++ b/tools/perf/tests/llvm.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <bpf/libbpf.h>
-#include <util/llvm-utils.h>
-#include <util/cache.h>
+#include "util/llvm-utils.h"
+#include "util/cache.h"
 #include "llvm.h"
 #include "tests.h"
 #include "debug.h"
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index a0ac031..f0d1035 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -7,8 +7,8 @@
 #include <unistd.h>
 #include <sys/types.h>
 #include "symbol.h"
-#include <strlist.h>
-#include <intlist.h>
+#include "strlist.h"
+#include "intlist.h"
 
 struct thread_stack;
 
-- 
2.4.3

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