[gentoo-commits] repo/gentoo:master commit in: sci-libs/pdal/

["Sam James" <sam@gentoo.org>]

commit:     ffbde6e64183dd733002c25aaa649564c37ff813
Author:     Eli Schwartz <eschwartz93 <AT> gmail <DOT> com>
AuthorDate: Sun Mar 17 07:09:00 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sun Mar 17 07:49:46 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ffbde6e6

sci-libs/pdal: mark as LTO-unsafe, strict-aliasing unsafe

... but only for USE=debug, since the bug is inside the obscure
libunwind support which most people don't use anyway.

Closes: https://bugs.gentoo.org/862915
Signed-off-by: Eli Schwartz <eschwartz93 <AT> gmail.com>
Signed-off-by: Sam James <sam <AT> gentoo.org>

 sci-libs/pdal/pdal-2.6.2.ebuild | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/sci-libs/pdal/pdal-2.6.2.ebuild b/sci-libs/pdal/pdal-2.6.2.ebuild
index 5a1dd8a8193e..a5c701ad7ee0 100644
--- a/sci-libs/pdal/pdal-2.6.2.ebuild
+++ b/sci-libs/pdal/pdal-2.6.2.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-inherit cmake
+inherit cmake flag-o-matic
 
 DESCRIPTION="A C++ library for translating and manipulating point cloud data"
 HOMEPAGE="https://pdal.io/"
@@ -39,6 +39,16 @@ DEPEND="
 S="${WORKDIR}/PDAL-${PV}-src"
 
 src_configure() {
+	# -Werror=strict-aliasing
+	# https://bugs.gentoo.org/862915
+	# https://github.com/PDAL/PDAL/issues/3836
+	#
+	# only occurs inside unwind support
+	if use debug; then
+		append-flags -fno-strict-aliasing
+		filter-lto
+	fi
+
 	local mycmakeargs=(
 		-DBUILD_PLUGIN_PGPOINTCLOUD="$(usex postgres)"
 		-DWITH_COMPLETION=ON