try suggestion from https://github.com/samtools/htslib/issues/565#issuecomment-448028771 (c6579182) · Commits · Debian Med / htslib

debian/changelog

+7 −0

Original line number	Diff line number	Diff line
		htslib (1.9-7~1~i386~1) experimental; urgency=medium

		* Turn on SSE for i386, as suggested at
		https://github.com/samtools/htslib/issues/565#issuecomment-448028771

		-- Michael R. Crusoe <michael.crusoe@gmail.com> Tue, 18 Dec 2018 00:27:40 -0800

		htslib (1.9-7~0~i386~gcc7~1) experimental; urgency=medium

		* Try dropping to gcc-7 on i386*

+0 −1

Original line number	Diff line number	Diff line
		@@ -6,7 +6,6 @@ Uploaders: Charles Plessy <plessy@debian.org>,
		Section: science
		Priority: optional
		Build-Depends: debhelper (>= 11~),
		gcc-7 [i386 kfreebsd-i386 hurd-i386],
		dh-exec,
		libbz2-dev,
		libcurl4-gnutls-dev,

0 → 100644

+2 −0

Original line number	Diff line number	Diff line
		# As needed for testing
		duplicated-compressed-file usr/share/htslib-test/test/bgziptest.txt.gz

+3 −6

Original line number	Diff line number	Diff line
		@@ -8,12 +8,9 @@ export DH_VERBOSE=1
		include /usr/share/dpkg/default.mk

		ifneq (,$(filter $(DEB_HOST_ARCH),i386 kfreebsd-i386 hurd-i386))
		export DEB_CFLAGS_MAINT_APPEND=-fno-strict-aliasing -fno-code-hoisting
		export CC=gcc-7
		else
		export CC=gcc
		DEB_CFLAGS_MAINT_APPEND=-msse -mfpmath=sse
		endif
		DEB_CFLAGS_MAINT_APPEND+=-flto
		export DEB_CFLAGS_MAINT_APPEND+=-flto
		export DEB_LDFLAGS_MAINT_APPEND+=-Wl,-flto

		%:
		@@ -26,7 +23,7 @@ override_dh_auto_configure:
		dh_auto_configure -- --enable-libcurl

		override_dh_auto_build:
		dh_auto_build -- CC=$(CC)\
		dh_auto_build -- \
		CFLAGS="$$(dpkg-buildflags --get CFLAGS)" \
		CPPFLAGS="-I. -DSAMTOOLS=1 $$(dpkg-buildflags --get CPPFLAGS)" \
		LDFLAGS="$$(dpkg-buildflags --get LDFLAGS)" \