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-rw-r--r--sci-libs/m4ri/files/m4ri-20200115-libm_underlinking.patch76
1 files changed, 76 insertions, 0 deletions
diff --git a/sci-libs/m4ri/files/m4ri-20200115-libm_underlinking.patch b/sci-libs/m4ri/files/m4ri-20200115-libm_underlinking.patch
new file mode 100644
index 000000000000..8d9d2738c087
--- /dev/null
+++ b/sci-libs/m4ri/files/m4ri-20200115-libm_underlinking.patch
@@ -0,0 +1,76 @@
+From be6c249e7838bd838174db5c2bb98bf63b026b83 Mon Sep 17 00:00:00 2001
+From: François Bissey <frp.bissey@gmail.com>
+Date: Tue, 21 Jan 2020 11:24:50 +1300
+Subject: [PATCH] Detect and use LIBM to link libm4ri in all cases.
+
+---
+ Makefile.am | 2 +-
+ configure.ac | 6 +++++-
+ m4ri.pc.in | 2 +-
+ tests/Makefile.am | 2 +-
+ 4 files changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index e317d06..416d9f1 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -58,7 +58,7 @@ pkgconfigdir = $(libdir)/pkgconfig
+ pkgconfig_DATA = m4ri.pc
+
+ libm4ri_la_LDFLAGS = -release 0.0.$(RELEASE) -no-undefined
+-libm4ri_la_LIBADD = $(LIBPNG_LIBADD)
++libm4ri_la_LIBADD = $(LIBPNG_LIBADD) $(LIBM)
+
+ SUBDIRS = . tests
+ DIST_SUBDIRS = $(SUBDIRS) bench
+diff --git a/configure.ac b/configure.ac
+index 39de702..520154d 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -15,7 +15,7 @@ AC_CONFIG_MACRO_DIR([m4])
+ dnl Compiling with per-target flags (test_elimination.c) requires AM_PROG_CC_C_O.
+ AM_PROG_CC_C_O
+
+-AC_PROG_LIBTOOL
++LT_INIT
+
+ AC_PROG_INSTALL
+
+@@ -26,6 +26,10 @@ if test "$ac_cv_prog_cc_c99" = "no"; then
+ AC_MSG_ERROR([C99 support is required but not found.])
+ fi
+
++# Find and set LIBM on the platform.
++LT_LIB_M
++AC_SUBST(LIBM)
++
+ # SSE2 support
+ AC_ARG_ENABLE([sse2],
+ AS_HELP_STRING([--disable-sse2], [don't use SSE2 instruction set.]),
+diff --git a/m4ri.pc.in b/m4ri.pc.in
+index 5044de7..07597bd 100644
+--- a/m4ri.pc.in
++++ b/m4ri.pc.in
+@@ -7,5 +7,5 @@ Name: M4RI
+ Description: Dense linear algebra over GF(2).
+ Version: @PACKAGE_VERSION@
+ Requires: @M4RI_USE_PNG_PC@
+-Libs: -L${libdir} -lm4ri @RAW_LIBPNG@ -lm
++Libs: -L${libdir} -lm4ri @RAW_LIBPNG@ @LIBM@
+ Cflags: -I${includedir} @SIMD_CFLAGS@ @OPENMP_CFLAGS@
+diff --git a/tests/Makefile.am b/tests/Makefile.am
+index c9839a2..069e360 100644
+--- a/tests/Makefile.am
++++ b/tests/Makefile.am
+@@ -15,7 +15,7 @@ DEFINES =
+ AM_CFLAGS = -I$(TOPSRCDIR) -I$(TOPBUILDDIR) -D_XOPEN_SOURCE=600 $(DEFINES) @OPENMP_CFLAGS@ @PAPI_CFLAGS@
+
+ STAGEDIR := $(realpath -s $(TOPBUILDDIR)/.libs)
+-AM_LDFLAGS = -L$(STAGEDIR) -Wl,-rpath,$(STAGEDIR) -lm4ri -lm @PAPI_LDFLAGS@ @PAPI_LIBS@ -no-install
++AM_LDFLAGS = -L$(STAGEDIR) -Wl,-rpath,$(STAGEDIR) -lm4ri $(LIBM) @PAPI_LDFLAGS@ @PAPI_LIBS@ -no-install
+
+ test_smallops_SOURCES = test_smallops.c testing.c testing.h
+
+--
+2.10.5
+