From: Duy Nguyen <pclouds@gmail.com>
To: Lars Schneider <larsxschneider@gmail.com>
Cc: Jeff King <peff@peff.net>, Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH v2] travis-ci: enable more warnings on travis linux-gcc job
Date: Sat, 17 Mar 2018 15:59:23 +0100 [thread overview]
Message-ID: <20180317145923.GA24689@duynguyen.home> (raw)
In-Reply-To: <D8137CD9-9E11-4FBC-B89B-907C007FC6E9@gmail.com>
On Sat, Mar 17, 2018 at 03:29:31PM +0100, Lars Schneider wrote:
> I interpreted Peff's comment like this:
>
> If DEVELOPER=1 is set and we detect a gcc-6 in the makefile,
> then we could set your additional flags in the makefile.
>
> This way every developer with a new compiler would run these
> flags locally (if DEVELOPER=1 is set).
Aha. Something like this? I split developer cflags out to a separate
file because I imagine people may start to add gcc7, clang....
-- 8< --
diff --git a/.travis.yml b/.travis.yml
index 5f5ee4f3bd..0b3c50f5e7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,10 +16,13 @@ compiler:
addons:
apt:
+ sources:
+ - ubuntu-toolchain-r-test
packages:
- language-pack-is
- git-svn
- apache2
+ - gcc-6
matrix:
include:
diff --git a/Makefile b/Makefile
index de4b8f0c02..e8321e44d6 100644
--- a/Makefile
+++ b/Makefile
@@ -436,15 +436,6 @@ GIT-VERSION-FILE: FORCE
# CFLAGS and LDFLAGS are for the users to override from the command line.
CFLAGS = -g -O2 -Wall
-DEVELOPER_CFLAGS = -Werror \
- -Wdeclaration-after-statement \
- -Wno-format-zero-length \
- -Wold-style-definition \
- -Woverflow \
- -Wpointer-arith \
- -Wstrict-prototypes \
- -Wunused \
- -Wvla
LDFLAGS =
ALL_CFLAGS = $(CPPFLAGS) $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)
@@ -1045,7 +1036,8 @@ include config.mak.uname
-include config.mak
ifdef DEVELOPER
-CFLAGS += $(DEVELOPER_CFLAGS)
+include config.mak.dev
+CFLAGS += $(DEV_CFLAGS)
endif
comma := ,
diff --git a/config.mak.dev b/config.mak.dev
index e69de29bb2..644d0d581f 100644
--- a/config.mak.dev
+++ b/config.mak.dev
@@ -0,0 +1,23 @@
+DEV_CFLAGS =
+DEV_CFLAGS += -Werror
+DEV_CFLAGS += -Wdeclaration-after-statement
+DEV_CFLAGS += -Wno-format-zero-length
+DEV_CFLAGS += -Wold-style-definition
+DEV_CFLAGS += -Woverflow
+DEV_CFLAGS += -Wpointer-arith
+DEV_CFLAGS += -Wstrict-prototypes
+DEV_CFLAGS += -Wunused
+DEV_CFLAGS += -Wvla
+
+GCC_VER := $(shell sh -c '$(CC) --version | grep ^gcc >/dev/null && $(CC) -dumpversion | cut -f 1 -d .')
+
+ifeq ($(GCC_VER),6)
+DEV_CFLAGS += -Wextra
+DEV_CFLAGS += -Wmissing-prototypes
+DEV_CFLAGS += -Wno-empty-body
+DEV_CFLAGS += -Wno-maybe-uninitialized
+DEV_CFLAGS += -Wno-missing-field-initializers
+DEV_CFLAGS += -Wno-sign-compare
+DEV_CFLAGS += -Wno-unused-function
+DEV_CFLAGS += -Wno-unused-parameter
+endif
-- 8< --
next prev parent reply other threads:[~2018-03-17 14:59 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-03 1:46 [PATCH] travis-ci: enable more warnings on travis linux-gcc job Nguyễn Thái Ngọc Duy
2018-03-16 19:33 ` [PATCH v2] " Nguyễn Thái Ngọc Duy
2018-03-16 21:22 ` Jeff King
2018-03-17 8:01 ` Duy Nguyen
2018-03-17 14:29 ` Lars Schneider
2018-03-17 14:59 ` Duy Nguyen [this message]
2018-03-17 16:08 ` Jeff King
2018-03-17 16:12 ` Jeff King
2018-03-17 23:50 ` Junio C Hamano
2018-03-18 8:18 ` [PATCH] Makefile: detect compiler and enable more warnings in DEVELOPER=1 Nguyễn Thái Ngọc Duy
2018-03-18 9:06 ` Eric Sunshine
2018-03-18 9:17 ` Duy Nguyen
2018-03-18 9:20 ` Jeff King
2018-03-18 9:24 ` Eric Sunshine
2018-03-18 9:28 ` Jeff King
2018-03-18 9:37 ` Eric Sunshine
2018-03-18 9:26 ` Jeff King
2018-03-18 9:45 ` Duy Nguyen
2018-03-18 15:55 ` Duy Nguyen
2018-03-18 18:56 ` Ramsay Jones
2018-03-19 16:30 ` Duy Nguyen
2018-03-20 5:32 ` Jeff King
2018-03-24 12:53 ` [PATCH v2] " Nguyễn Thái Ngọc Duy
2018-03-25 0:40 ` Eric Sunshine
2018-03-26 22:02 ` Junio C Hamano
2018-03-27 15:03 ` Duy Nguyen
2018-03-27 16:52 ` Junio C Hamano
2018-03-29 15:03 ` [PATCH v3 0/3] Enable more compiler warnings for devs Nguyễn Thái Ngọc Duy
2018-03-29 15:03 ` [PATCH v3 1/3] connect.c: mark die_initial_contact() NORETURN Nguyễn Thái Ngọc Duy
2018-03-29 15:03 ` [PATCH v3 2/3] Makefile: detect compiler and enable more warnings in DEVELOPER=1 Nguyễn Thái Ngọc Duy
2018-03-29 15:03 ` [PATCH v3 3/3] Makefile: add EAGER_DEVELOPER mode Nguyễn Thái Ngọc Duy
2018-03-31 16:40 ` [PATCH 4/3] Makefile: untangle DEVELOPER and -Werror Ævar Arnfjörð Bjarmason
2018-03-31 18:36 ` Duy Nguyen
2018-04-03 9:19 ` Ævar Arnfjörð Bjarmason
2018-04-03 15:17 ` Duy Nguyen
2018-04-06 21:42 ` Jeff King
2018-04-07 9:52 ` Duy Nguyen
2018-04-07 12:36 ` Ævar Arnfjörð Bjarmason
2018-04-07 17:03 ` Duy Nguyen
2018-04-07 18:38 ` Ævar Arnfjörð Bjarmason
2018-04-14 19:19 ` [PATCH v4 0/4] Make DEVELOPER more more flexible with DEVOPTS Ævar Arnfjörð Bjarmason
2018-04-16 4:57 ` Junio C Hamano
2018-04-14 19:19 ` [PATCH v4 1/4] connect.c: mark die_initial_contact() NORETURN Ævar Arnfjörð Bjarmason
2018-04-14 19:19 ` [PATCH v4 2/4] Makefile: detect compiler and enable more warnings in DEVELOPER=1 Ævar Arnfjörð Bjarmason
2018-04-14 19:19 ` [PATCH v4 3/4] Makefile: add a DEVOPTS to suppress -Werror under DEVELOPER Ævar Arnfjörð Bjarmason
2018-04-14 19:19 ` [PATCH v4 4/4] Makefile: add a DEVOPTS to get all of -Wextra Ævar Arnfjörð Bjarmason
2018-03-17 15:16 ` [PATCH v2] travis-ci: enable more warnings on travis linux-gcc job Jeff King
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