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openssl: fix static build

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If configured with no-dso, the openssl binary still gets linked with
-ldl, while libdl is not available for static-only builds. The OpenSSL
framework does not support automatically dropping -ldl with no-dso, so
-ldl has to be removed from Makefile after calling ./Configure as
explained in PROBLEMS.

Fixes http://autobuild.buildroot.org/results/cbb35f2582f1cfeb3d11cb4952a80784ff660baf

[Peter: add reference to PROBLEMS file]
Signed-off-by: Benoît Thébaudeau <benoit@wsystem.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Benoît Thébaudeau 2015-07-07 12:37:58 +02:00 committed by Peter Korsgaard
parent 2b47c7f095
commit ca58207df0
1 changed files with 8 additions and 0 deletions
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8
package/openssl/openssl.mk
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@ -90,6 +90,14 @@ define OPENSSL_CONFIGURE_CMDS
$(SED) "s: build_tests::" $(@D)/Makefile
endef
# libdl is not available in a static build, and this is not implied by no-dso
ifeq ($(BR2_STATIC_LIBS),y)
define OPENSSL_FIXUP_STATIC_MAKEFILE
$(SED) 's/-ldl//g' $(@D)/Makefile
endef
OPENSSL_POST_CONFIGURE_HOOKS += OPENSSL_FIXUP_STATIC_MAKEFILE
endif
define HOST_OPENSSL_BUILD_CMDS
$(MAKE1) -C $(@D)
endef