From: Ramsay Jones <ramsay@ramsayjones.plus.com>
To: "Carlo Marcelo Arenas Belón" <carenas@gmail.com>, git@vger.kernel.org
Cc: j6t@kdbg.org, gitster@pobox.com, avarab@gmail.com
Subject: Re: [PATCH v4 3/3] Makefile: restrict -Wpedantic and -Wno-pedantic-ms-format better
Date: Wed, 29 Sep 2021 02:14:02 +0100 [thread overview]
Message-ID: <d19fa4bc-9af7-17cc-86d4-c15ad257cf82@ramsayjones.plus.com> (raw)
In-Reply-To: <20210929004832.96304-4-carenas@gmail.com>
On 29/09/2021 01:48, Carlo Marcelo Arenas Belón wrote:
> 6a8cbc41ba (developer: enable pedantic by default, 2021-09-03)
> enables pedantic mode in as many compilers as possible to help gather
> feedback on future tightening, so lets do so.
>
> -Wpedantic is missing in some really old gcc 4 versions so lets restrict
> it to gcc5 and clang4 (it does work in clang3 AFAIK, but it will be
> unlikely that a developer will use such an old compiler anyway).
>
> MinGW gcc is the only one which has -Wno-pedantic-ms-format, and while
> that is available also in older compilers, the Windows SDK provides gcc10
> so let's aim for that.
>
> Note that in order to target the flag to only Windows, additional changes
> were needed in config.mak.uname to propagate the OS detection which also
> did some minor refactoring, but which is functionaly equivalent.
>
> Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
> Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
> ---
> config.mak.dev | 7 ++++++-
> config.mak.uname | 8 +++++++-
> 2 files changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/config.mak.dev b/config.mak.dev
> index cdf043c52b..7673fed114 100644
> --- a/config.mak.dev
> +++ b/config.mak.dev
> @@ -6,14 +6,19 @@ ifeq ($(filter no-error,$(DEVOPTS)),)
> DEVELOPER_CFLAGS += -Werror
> SPARSE_FLAGS += -Wsparse-error
> endif
> +
> DEVELOPER_CFLAGS += -Wall
> ifeq ($(filter no-pedantic,$(DEVOPTS)),)
> DEVELOPER_CFLAGS += -pedantic
> +ifneq (($or $(filter gcc5,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),)
> DEVELOPER_CFLAGS += -Wpedantic
> -ifneq ($(filter gcc5,$(COMPILER_FEATURES)),)
> +ifneq ($(filter gcc10,$(COMPILER_FEATURES)),)
> +ifeq ($(uname_S),MINGW)
> DEVELOPER_CFLAGS += -Wno-pedantic-ms-format
> endif
> endif
> +endif
> +endif
> DEVELOPER_CFLAGS += -Wdeclaration-after-statement
> DEVELOPER_CFLAGS += -Wformat-security
> DEVELOPER_CFLAGS += -Wold-style-definition
> diff --git a/config.mak.uname b/config.mak.uname
> index 76516aaa9a..124ddfce36 100644
> --- a/config.mak.uname
> +++ b/config.mak.uname
> @@ -11,6 +11,10 @@ uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
> uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
> uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
>
> +ifneq ($(findstring MINGW,$(uname_S)),)
> + uname_S := MINGW
> +endif
> +
> ifdef MSVC
> # avoid the MingW and Cygwin configuration sections
> uname_S := Windows
> @@ -588,7 +592,7 @@ ifeq ($(uname_S),NONSTOP_KERNEL)
> SANE_TOOL_PATH = /usr/coreutils/bin:/usr/local/bin
> SHELL_PATH = /usr/coreutils/bin/bash
> endif
> -ifneq (,$(findstring MINGW,$(uname_S)))
> +ifeq ($(uname_S),MINGW)
> pathsep = ;
> HAVE_ALLOCA_H = YesPlease
> NO_PREAD = YesPlease
> @@ -705,6 +709,8 @@ ifeq ($(uname_S),QNX)
> NO_STRLCPY = YesPlease
> endif
>
> +export uname_S
> +
This export seems to be unnecessary.
ATB,
Ramsay Jones
> vcxproj:
> # Require clean work tree
> git update-index -q --refresh && \
>
next prev parent reply other threads:[~2021-09-29 1:14 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-22 19:56 [PATCH cb/pedantic-build-for-developers] lazyload.h: fix warnings about mismatching function pointer types Johannes Sixt
2021-09-22 20:16 ` Carlo Arenas
2021-09-22 21:21 ` Johannes Sixt
2021-09-23 6:20 ` Carlo Arenas
2021-09-23 6:03 ` [PATCH] lazyload.h: use an even more generic function pointer than FARPROC Carlo Marcelo Arenas Belón
2021-09-23 6:33 ` Johannes Sixt
2021-09-23 6:49 ` Carlo Arenas
2021-09-23 6:52 ` [PATCH v2] " Carlo Marcelo Arenas Belón
2021-09-26 10:05 ` [PATCH v3 0/2] js/win-lazyload-buildfix Carlo Marcelo Arenas Belón
2021-09-26 10:05 ` [PATCH v3 1/2] lazyload.h: fix warnings about mismatching function pointer types Carlo Marcelo Arenas Belón
2021-09-27 2:58 ` Eric Sunshine
2021-09-26 10:05 ` [PATCH v3 2/2] lazyload.h: use an even more generic function pointer than FARPROC Carlo Marcelo Arenas Belón
2021-09-27 16:35 ` Junio C Hamano
2021-09-27 18:50 ` Carlo Arenas
2021-09-27 20:13 ` Junio C Hamano
2021-09-29 0:48 ` [PATCH v4 0/3] js/win-lazyload-buildfix Carlo Marcelo Arenas Belón
2021-09-29 0:48 ` [PATCH v4 1/3] lazyload.h: fix warnings about mismatching function pointer types Carlo Marcelo Arenas Belón
2021-09-29 0:48 ` [PATCH v4 2/3] lazyload.h: use an even more generic function pointer than FARPROC Carlo Marcelo Arenas Belón
2021-09-29 0:48 ` [PATCH v4 3/3] Makefile: restrict -Wpedantic and -Wno-pedantic-ms-format better Carlo Marcelo Arenas Belón
2021-09-29 1:14 ` Ramsay Jones [this message]
2021-09-29 3:19 ` [PATCH v5 0/3] js/win-lazyload-buildfix Carlo Marcelo Arenas Belón
2021-09-29 3:19 ` [PATCH v5 1/3] lazyload.h: fix warnings about mismatching function pointer types Carlo Marcelo Arenas Belón
2021-09-29 3:19 ` [PATCH v5 2/3] lazyload.h: use an even more generic function pointer than FARPROC Carlo Marcelo Arenas Belón
2021-09-29 3:19 ` [PATCH v5 3/3] Makefile: restrict -Wpedantic and -Wno-pedantic-ms-format better Carlo Marcelo Arenas Belón
2021-09-23 21:00 ` [PATCH cb/pedantic-build-for-developers] lazyload.h: fix warnings about mismatching function pointer types Carlo Arenas
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