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From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH v3, 1/1] package/zstd: fix build without threads
Date: Sun, 12 Jun 2022 19:40:44 +0200	[thread overview]
Message-ID: <20220612174044.GI427639@scaer> (raw)
In-Reply-To: <20220612171318.GH427639@scaer>

Fabrice, All,

On 2022-06-12 19:13 +0200, Yann E. MORIN spake thusly:
> On 2022-06-12 18:02 +0200, Fabrice Fontaine spake thusly:
> > Move libzstd.pc in ZSTD_BUILD_LIBS so it will be suffixed by -nomt
> > without threads. As a result, libzstd.pc will not contain -pthread in
> > Libs.Private which will avoid the following static build failure with
> > zchunk) raised since commit 0f0e913f10caf21f23c2e46f210519a7a3bc0b32:
> > 
> > /home/buildroot/autobuild/instance-2/output-1/host/bin/aarch64_be-buildroot-linux-uclibc-gcc  -o src/unzck src/unzck.p/unzck.c.o src/unzck.p/util_common.c.o -Wl,--as-needed -Wl,--no-undefined -static -Wl,--start-group src/lib/libzck.a -largp /home/buildroot/autobuild/instance-2/output-1/host/aarch64_be-buildroot-linux-uclibc/sysroot/usr/lib/libzstd.a -pthread /home/buildroot/autobuild/instance-2/output-1/host/aarch64_be-buildroot-linux-uclibc/sysroot/usr/lib/libssl.a /home/buildroot/autobuild/instance-2/output-1/host/aarch64_be-buildroot-linux-uclibc/sysroot/usr/lib/libcrypto.a -Wl,--end-group
> > /home/buildroot/autobuild/instance-2/output-1/host/lib/gcc/aarch64_be-buildroot-linux-uclibc/10.3.0/../../../../aarch64_be-buildroot-linux-uclibc/bin/ld: cannot find -lpthread
> > 
> > Fixes:
> >  - http://autobuild.buildroot.org/results/481d1979920daaecac48dec763151e124651740f
> > 
> > Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> > ---
> > Changes v2 -> v3 (after review of Yann E. Morin):
> >  - Drop ZSTD_BUILD_LIBS overrides
> > 
> > Changes v1 -> v2:
> >  - Fix the following check-package error:
> >    package/zstd/zstd.mk:67: conditional override of variable ZSTD_BUILD_LIBS
> >    package/zstd/zstd.mk:70: conditional override of variable ZSTD_BUILD_LIBS
> > 
> >  package/zstd/zstd.mk | 18 +++++++++++-------
> >  1 file changed, 11 insertions(+), 7 deletions(-)
> > 
> > diff --git a/package/zstd/zstd.mk b/package/zstd/zstd.mk
> > index bef46deae8..75eb6ecc07 100644
> > --- a/package/zstd/zstd.mk
> > +++ b/package/zstd/zstd.mk
> > @@ -38,14 +38,15 @@ endif
> >  # zstd will append -O3 after $(CFLAGS), use MOREFLAGS to override again
> >  ZSTD_OPTS += MOREFLAGS="$(TARGET_OPTIMIZATION) -D_GNU_SOURCE"
                                                   ^^^^^^^^^^^^^^
I forgot to mention: this patch does not aply cleanly, because ^^ is not
in master...

Regards,
Yann E. MORIN.

> > +ZSTD_BUILD_LIBS_BASENAMES = libzstd.pc
> >  ifeq ($(BR2_STATIC_LIBS),y)
> > -ZSTD_BUILD_LIBS = libzstd.a
> > +ZSTD_BUILD_LIBS_BASENAMES += libzstd.a
> >  ZSTD_INSTALL_LIBS = install-static
> >  else ifeq ($(BR2_SHARED_LIBS),y)
> > -ZSTD_BUILD_LIBS = lib
> > +ZSTD_BUILD_LIBS_BASENAMES += lib
> >  ZSTD_INSTALL_LIBS = install-shared
> >  else
> > -ZSTD_BUILD_LIBS = lib
> > +ZSTD_BUILD_LIBS_BASENAMES += lib
> >  ZSTD_INSTALL_LIBS = install-static install-shared
> >  endif
> >  
> > @@ -63,17 +64,20 @@ endif
> >  # purpose.
> >  ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
> >  ZSTD_OPTS += HAVE_THREAD=1
> > -ZSTD_BUILD_LIBS := $(addsuffix -mt,$(ZSTD_BUILD_LIBS))
> > +ZSTD_BUILD_LIBS_THREAD_SUFFIX = -mt
> >  else
> >  ZSTD_OPTS += HAVE_THREAD=0
> > -ZSTD_BUILD_LIBS := $(addsuffix -nomt,$(ZSTD_BUILD_LIBS))
> > +ZSTD_BUILD_LIBS_THREAD_SUFFIX = -nomt
> >  endif
> >  # check-package disable OverriddenVariable - override intended
> > -ZSTD_BUILD_LIBS := $(addsuffix -release,$(ZSTD_BUILD_LIBS))
> > +ZSTD_BUILD_LIBS = \
> > +	$(addsuffix -release, \
> > +		$(addsuffix $(ZSTD_BUILD_LIBS_THREAD_SUFFIX), \
> > +			$(ZSTD_BUILD_LIBS_BASENAMES)))
> >  
> >  define ZSTD_BUILD_CMDS
> >  	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) $(ZSTD_OPTS) \
> > -		-C $(@D)/lib $(ZSTD_BUILD_LIBS) libzstd.pc
> > +		-C $(@D)/lib $(ZSTD_BUILD_LIBS)
> >  	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) $(ZSTD_OPTS) \
> >  		-C $(@D)/programs $(ZSTD_BUILD_PROG_TARGET)
> >  endef
> > -- 
> > 2.35.1
> > 
> > _______________________________________________
> > buildroot mailing list
> > buildroot@buildroot.org
> > https://lists.buildroot.org/mailman/listinfo/buildroot
> 
> -- 
> .-----------------.--------------------.------------------.--------------------.
> |  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
> | +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
> | +33 561 099 427 `------------.-------:  X  AGAINST      |  \e/  There is no  |
> | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
> '------------------------------^-------^------------------^--------------------'
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 561 099 427 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'
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  reply	other threads:[~2022-06-12 17:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-12 16:02 [Buildroot] [PATCH v3, 1/1] package/zstd: fix build without threads Fabrice Fontaine
2022-06-12 17:13 ` Yann E. MORIN
2022-06-12 17:40   ` Yann E. MORIN [this message]
2022-06-12 18:13   ` Fabrice Fontaine
2022-06-12 18:47     ` Yann E. MORIN
2022-06-12 19:36 ` Yann E. MORIN
2022-06-19 13:40 ` Peter Korsgaard

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