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libgpgme: fix musl build with argp-standalone

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The libgpgme configure script does not detect the error_t type under musl,
because musl does not define error_t in errno.h. As a result config.h adds a
local definition of error_t. When argp-standalone is present this local
definition collides with the error_t typedef in argp.h. Assume we always have
error_t when argp-standalone is present.

Fixes:
http://autobuild.buildroot.net/results/656/6566a1c77983404d90920997bfd15bd98c7ddde7/
http://autobuild.buildroot.net/results/a7b/a7b92ad68ff6e13d20ff44e955dc5748b2efd6a4/
http://autobuild.buildroot.net/results/0db/0db1b2aa0969d6cbae57b1400b7b766a5988abf9/

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Baruch Siach 2016-05-24 15:30:17 +03:00 committed by Peter Korsgaard
parent 45eaede51b
commit 9d217aa4dd
1 changed files with 3 additions and 1 deletions
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4
package/libgpgme/libgpgme.mk
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@ -23,7 +23,9 @@ LIBGPGME_CONF_OPTS = --with-gpg=/usr/bin/gpg \
# Handle argp-standalone or it errors out during build
ifeq ($(BR2_PACKAGE_ARGP_STANDALONE),y)
LIBGPGME_CONF_ENV += LIBS="-largp"
# musl libc does not define error_t in errno.h, but argp.h does.
# Assume we have error_t to avoid collision with the argp.h error_t.
LIBGPGME_CONF_ENV += LIBS="-largp" ac_cv_type_error_t=yes
LIBGPGME_DEPENDENCIES += argp-standalone
endif