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authorSam James <sam@gentoo.org>2023-01-13 15:09:59 +0000
committerStephan Bergmann <sbergman@redhat.com>2023-01-14 11:55:29 +0000
commitd532040f3e9f11e4f364e0313e426cdb708e6568 (patch)
tree133d0383e75efe796f9f72372779f42e0431b251 /lo.xcent.in
parent192b0ab41e87f3c4aaf78f22b96b030243c991d5 (diff)
configure.ac: Fix build with --with-system-zxing and < Clang 16
Clang 15 and older default to -std=c++14, not -std=c++17 (unlike Clang 16 onwards). This doesn't show up with GCC because GCC 11 onwards defaults to -std=c++17. The new version of libzxing requires C++ 17, per its release notes. Adapt the configure check accordingly to pass -std=c++17 when checking for its headers and save accordingly if successful. (Do this via ${CXXFLAGS_CXX11} which has the appropriate switch for our compiler, despite its name.) Bug: https://bugs.gentoo.org/890324 Change-Id: Iaaa8fdc05eea0e26416b605bfda8f2d831f8729c Signed-off-by: Sam James <sam@gentoo.org> Reviewed-on: https://gerrit.libreoffice.org/c/core/+/145479 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
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