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Thu, 6 Aug 2020 19:16:48 +0000 (UTC) Received: from 640k.localdomain.com (unknown [10.36.110.10]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2EEE01D3; Thu, 6 Aug 2020 19:16:46 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 014/143] build-sys hack: link with whole .fa archives Date: Thu, 6 Aug 2020 21:14:10 +0200 Message-Id: <1596741379-12902-15-git-send-email-pbonzini@redhat.com> In-Reply-To: <1596741379-12902-1-git-send-email-pbonzini@redhat.com> References: <1596741379-12902-1-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=pbonzini@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/06 03:10:56 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Marc-André Lureau In order to link the *-obj-y files into tests, we will make static libraries of them in Meson, and then link them as whole archives into the tests. To separate regular static libraries from link-whole libraries, give them a different file extension. Signed-off-by: Marc-André Lureau Signed-off-by: Paolo Bonzini --- rules.mak | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/rules.mak b/rules.mak index e79a400..5ab42de 100644 --- a/rules.mak +++ b/rules.mak @@ -39,6 +39,13 @@ find-symbols = $(if $1, $(sort $(shell $(NM) -P -g $1 | $2))) defined-symbols = $(call find-symbols,$1,awk '$$2!="U"{print $$1}') undefined-symbols = $(call find-symbols,$1,awk '$$2=="U"{print $$1}') +WL := -Wl, +ifdef CONFIG_DARWIN +whole-archive = $(WL)-force_load,$1 +else +whole-archive = $(WL)--whole-archive $1 $(WL)--no-whole-archive +endif + # All the .mo objects in -m variables are also added into corresponding -y # variable in unnest-vars, but filtered out here, when LINK is called. # @@ -54,11 +61,12 @@ undefined-symbols = $(call find-symbols,$1,awk '$$2=="U"{print $$1}') # This is necessary because the exectuable itself may not use the function, in # which case the function would not be linked in. Then the DSO loading will # fail because of the missing symbol. -process-archive-undefs = $(filter-out %.a %.mo,$1) \ +process-archive-undefs = $(filter-out %.a %.fa %.mo,$1) \ $(addprefix $(WL_U), \ - $(filter $(call defined-symbols,$(filter %.a, $1)), \ + $(filter $(call defined-symbols,$(filter %.a %.fa, $1)), \ $(call undefined-symbols,$(filter %.mo,$1)))) \ - $(filter %.a,$1) + $(foreach l,$(filter %.fa,$1),$(call whole-archive,$l)) \ + $(filter %.a,$1) extract-libs = $(strip $(foreach o,$(filter-out %.mo,$1),$($o-libs))) expand-objs = $(strip $(sort $(filter %.o,$1)) \ @@ -122,7 +130,7 @@ LD_REL := $(CC) -nostdlib $(LD_REL_FLAGS) modules: %$(EXESUF): %.o - $(call LINK,$(filter %.o %.a %.mo, $^)) + $(call LINK,$(filter %.o %.a %.mo %.fa, $^)) %.a: $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"AR","$(TARGET_DIR)$@") @@ -378,7 +386,7 @@ define unnest-vars $(error $o added in $v but $o-objs is not set))) $(shell mkdir -p ./ $(sort $(dir $($v)))) # Include all the .d files - $(eval -include $(patsubst %.o,%.d,$(patsubst %.mo,%.d,$($v)))) + $(eval -include $(patsubst %.o,%.d,$(patsubst %.mo,%.d,$(filter %.o,$($v))))) $(eval $v := $(filter-out %/,$($v)))) endef