gsl: build against external cblas (#15261)

This commit is contained in:
Christoph Junghans 2020-02-27 21:29:08 -07:00 committed by GitHub
parent f10710d5cd
commit c7d3dee2f7
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 351 additions and 0 deletions

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@ -0,0 +1,323 @@
Makefile.am | 8 +-
ax_cblas.m4 | 69 +++++
bspline/Makefile.am | 2 +-
configure.ac | 10 +
eigen/Makefile.am | 2 +-
gsl-config.in | 4 +-
gsl.pc.in | 2 +-
interpolation/Makefile.am | 2 +-
linalg/Makefile.am | 2 +-
multifit/Makefile.am | 4 +-
multimin/Makefile.am | 4 +-
multiroots/Makefile.am | 2 +-
ode-initval/Makefile.am | 2 +-
poly/Makefile.am | 2 +-
specfunc/Makefile.am | 2 +-
wavelet/Makefile.am | 2 +-
31 files changed, 1157 insertions(+), 19 deletions(-)
diff --git a/Makefile.am b/Makefile.am
index c522001..4513bc8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,7 +19,7 @@ EXTRA_DIST = autogen.sh gsl-config.in gsl.pc.in configure.ac THANKS BUGS gsl.spe
lib_LTLIBRARIES = libgsl.la
libgsl_la_SOURCES = version.c
-libgsl_la_LIBADD = $(GSL_LIBADD) $(SUBLIBS)
+libgsl_la_LIBADD = $(GSL_LIBADD) $(SUBLIBS) @CBLAS_LINK_LIBS@
libgsl_la_LDFLAGS = $(GSL_LDFLAGS) -version-info $(GSL_LT_VERSION)
noinst_HEADERS = templates_on.h templates_off.h build.h
@@ -29,10 +29,10 @@ m4data_DATA = gsl.m4
bin_PROGRAMS = gsl-randist gsl-histogram
gsl_randist_SOURCES = gsl-randist.c
-gsl_randist_LDADD = libgsl.la cblas/libgslcblas.la
+gsl_randist_LDADD = libgsl.la
gsl_histogram_SOURCES = gsl-histogram.c
-gsl_histogram_LDADD = libgsl.la cblas/libgslcblas.la
+gsl_histogram_LDADD = libgsl.la
check_SCRIPTS = test_gsl_histogram.sh pkgconfig.test
TESTS = test_gsl_histogram.sh pkgconfig.test
@@ -51,6 +51,8 @@ edit = $(SED) \
-e 's|@GSL_CFLAGS[@]|$(GSL_CFLAGS)|g' \
-e 's|@GSL_LIBM[@]|$(GSL_LIBM)|g' \
-e 's|@GSL_LIBS[@]|$(GSL_LIBS)|g' \
+ -e 's|@CBLAS_CFLAGS[@]|$(CBLAS_CFLAGS)|g' \
+ -e 's|@CBLAS_LIBS[@]|$(CBLAS_LIBS)|g' \
-e 's|@LIBS[@]|$(LIBS)|g' \
-e 's|@VERSION[@]|$(VERSION)|g'
diff --git a/ax_cblas.m4 b/ax_cblas.m4
new file mode 100644
index 0000000..6ef143a
--- /dev/null
+++ b/ax_cblas.m4
@@ -0,0 +1,69 @@
+AC_DEFUN([AX_CBLAS],[
+
+ ext_cblas=no
+ ext_cblas_libs="-lcblas"
+ ext_cblas_cflags=""
+
+ AC_ARG_WITH(cblas-external,
+ [AS_HELP_STRING([--with-cblas-external],
+ [Use external CBLAS library (default is no)])],
+ [with_ext_cblas=$withval],
+ [with_ext_cblas=no])
+
+ case $with_ext_cblas in
+ no) ext_cblas=no ;;
+ yes) ext_cblas=yes ;;
+ -* | */* | *.a | *.so | *.so.* | *.o)
+ ext_cblas=yes
+ ext_cblas_libs="$with_cblas" ;;
+ *) ext_cblas=yes
+ ext_cblas_libs="-l$with_cblas" ;;
+ esac
+
+ AC_ARG_WITH(cblas-external-libs,
+ [AS_HELP_STRING([--with-cblas-external-libs=<libs>],
+ [External cblas libraries to link with (default is "$ext_cblas_libs")])],
+ [ext_cblas_libs=$withval],
+ [])
+
+ AC_ARG_WITH(cblas-external-cflags,
+ [AS_HELP_STRING([--with-cblas-external-cflags=<flags>],
+ [Pre-processing flags to compile with external cblas ("-I<dir>")])],
+ [ext_cblas_cflags=$withval],
+ [])
+
+ if test x$ext_cblas != xno; then
+ if test "x$CBLAS_LIBS" = x; then
+ CBLAS_LIBS="$ext_cblas_libs"
+ fi
+ if test "x$CBLAS_CFLAGS" = x; then
+ CBLAS_CFLAGS="$ext_cblas_cflags"
+ fi
+
+ CFLAGS_sav="$CFLAGS"
+ CFLAGS="$CFLAGS $CBLAS_CFLAGS"
+ AC_CHECK_HEADER(cblas.h, ,
+ [AC_MSG_ERROR([
+ *** Header file cblas.h not found.
+ *** If you installed cblas header in a non standard place,
+ *** specify its install prefix using the following option
+ *** --with-cblas-external-cflags="-I<include_dir>"])
+ ])
+ CFLAGS="$CFLAGS_sav"
+
+ LIBS_sav="$LIBS"
+ LIBS="$LIBS $CBLAS_LIBS -lm"
+ AC_MSG_CHECKING([for cblas_sgemm in $CBLAS_LIBS])
+ AC_TRY_LINK_FUNC(cblas_sgemm, [ext_cblas=yes],
+ [AC_MSG_ERROR([
+ *** Linking with cblas with $LIBS failed.
+ *** If you installed cblas library in a non standard place,
+ *** specify its install prefix using the following option
+ *** --with-cblas-external-libs="-L<lib_dir> -l<lib>"])
+ ])
+ AC_MSG_RESULT($ext_cblas)
+ LIBS="$LIBS_sav"
+ AC_SUBST([CBLAS_CFLAGS])
+ AC_SUBST([CBLAS_LIBS])
+ fi
+])
diff --git a/bspline/Makefile.am b/bspline/Makefile.am
index 3f4f950..d413036 100644
--- a/bspline/Makefile.am
+++ b/bspline/Makefile.am
@@ -12,6 +12,6 @@ check_PROGRAMS = test
TESTS = $(check_PROGRAMS)
-test_LDADD = libgslbspline.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../cblas/libgslcblas.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la ../statistics/libgslstatistics.la
+test_LDADD = libgslbspline.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la @CBLAS_LINK_LIBS@ ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la ../statistics/libgslstatistics.la
test_SOURCES = test.c
diff --git a/configure.ac b/configure.ac
index a26fc1e..564d426 100644
--- a/configure.ac
+++ b/configure.ac
@@ -208,6 +208,16 @@ if test "x$LIBS" = "x" ; then
AC_CHECK_LIB(m, cos)
fi
+sinclude(ax_cblas.m4)
+AX_CBLAS
+if test "x$CBLAS_LIBS" != "x"; then
+ CBLAS_LINK_LIBS="$CBLAS_LIBS"
+else
+ CBLAS_LINK_LIBS="\$(top_builddir)/cblas/libgslcblas.la"
+ CBLAS_LIBS="-lgslcblas"
+fi
+AC_SUBST(CBLAS_LINK_LIBS)
+
dnl Remember to put a definition in acconfig.h for each of these
AC_CHECK_DECLS(feenableexcept,,,[#define _GNU_SOURCE 1
#include <fenv.h>])
diff --git a/eigen/Makefile.am b/eigen/Makefile.am
index c28bfde..14197a4 100644
--- a/eigen/Makefile.am
+++ b/eigen/Makefile.am
@@ -11,7 +11,7 @@ noinst_HEADERS = qrstep.c
TESTS = $(check_PROGRAMS)
-test_LDADD = libgsleigen.la ../test/libgsltest.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../sys/libgslsys.la ../err/libgslerr.la ../utils/libutils.la ../rng/libgslrng.la ../sort/libgslsort.la
+test_LDADD = libgsleigen.la ../test/libgsltest.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../sys/libgslsys.la ../err/libgslerr.la ../utils/libutils.la ../rng/libgslrng.la ../sort/libgslsort.la
test_SOURCES = test.c
diff --git a/gsl-config.in b/gsl-config.in
old mode 100755
new mode 100644
index 3f3fa61..c9c4262
--- a/gsl-config.in
+++ b/gsl-config.in
@@ -58,11 +58,11 @@ while test $# -gt 0; do
;;
--cflags)
- echo @GSL_CFLAGS@
+ echo @GSL_CFLAGS@ @CBLAS_CFLAGS@
;;
--libs)
- : ${GSL_CBLAS_LIB=-lgslcblas}
+ : ${GSL_CBLAS_LIB=@CBLAS_LIBS@}
echo @GSL_LIBS@ $GSL_CBLAS_LIB @GSL_LIBM@
;;
diff --git a/gsl.pc.in b/gsl.pc.in
index 5e9ef21..5a7a0f3 100644
--- a/gsl.pc.in
+++ b/gsl.pc.in
@@ -2,7 +2,7 @@ prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
-GSL_CBLAS_LIB=-lgslcblas
+GSL_CBLAS_LIB=@CBLAS_LIBS@
Name: GSL
Description: GNU Scientific Library
diff --git a/interpolation/Makefile.am b/interpolation/Makefile.am
index 1d80755..e45bd51 100644
--- a/interpolation/Makefile.am
+++ b/interpolation/Makefile.am
@@ -12,7 +12,7 @@ AM_CPPFLAGS = -I$(top_srcdir)
TESTS = $(check_PROGRAMS)
-test_LDADD = libgslinterpolation.la ../poly/libgslpoly.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../cblas/libgslcblas.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
+test_LDADD = libgslinterpolation.la ../poly/libgslpoly.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la @CBLAS_LINK_LIBS@ ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
test_SOURCES = test.c
diff --git a/linalg/Makefile.am b/linalg/Makefile.am
index a6c15b0..447ebbe 100644
--- a/linalg/Makefile.am
+++ b/linalg/Makefile.am
@@ -13,4 +13,4 @@ TESTS = $(check_PROGRAMS)
check_PROGRAMS = test
test_SOURCES = test.c
-test_LDADD = libgsllinalg.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../permutation/libgslpermutation.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la ../rng/libgslrng.la
+test_LDADD = libgsllinalg.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../permutation/libgslpermutation.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la ../rng/libgslrng.la
diff --git a/multifit/Makefile.am b/multifit/Makefile.am
index 988614e..793b485 100644
--- a/multifit/Makefile.am
+++ b/multifit/Makefile.am
@@ -67,8 +67,8 @@ check_PROGRAMS = test #demo
TESTS = $(check_PROGRAMS)
test_SOURCES = test.c
-test_LDADD = libgslmultifit.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../matrix/libgslmatrix.la ../sort/libgslsort.la ../statistics/libgslstatistics.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../utils/libutils.la ../sys/libgslsys.la ../rng/libgslrng.la ../specfunc/libgslspecfunc.la ../min/libgslmin.la
+test_LDADD = libgslmultifit.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../matrix/libgslmatrix.la ../sort/libgslsort.la ../statistics/libgslstatistics.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../utils/libutils.la ../sys/libgslsys.la ../rng/libgslrng.la ../specfunc/libgslspecfunc.la ../min/libgslmin.la
#demo_SOURCES = demo.c
-#demo_LDADD = libgslmultifit.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../randist/libgslrandist.la ../rng/libgslrng.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../utils/libutils.la ../sys/libgslsys.la
+#demo_LDADD = libgslmultifit.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../randist/libgslrandist.la ../rng/libgslrng.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../utils/libutils.la ../sys/libgslsys.la
diff --git a/multimin/Makefile.am b/multimin/Makefile.am
index 7071359..65a488a 100644
--- a/multimin/Makefile.am
+++ b/multimin/Makefile.am
@@ -13,8 +13,8 @@ check_PROGRAMS = test #demo
TESTS = $(check_PROGRAMS)
test_SOURCES = test.c test_funcs.c test_funcs.h
-test_LDADD = libgslmultimin.la ../min/libgslmin.la ../poly/libgslpoly.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
+test_LDADD = libgslmultimin.la ../min/libgslmin.la ../poly/libgslpoly.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../linalg/libgsllinalg.la ../permutation/libgslpermutation.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
#demo_SOURCES = demo.c
-#demo_LDADD = libgslmultimin.la ../min/libgslmin.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../linalg/libgsllinalg.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
+#demo_LDADD = libgslmultimin.la ../min/libgslmin.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../linalg/libgsllinalg.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
diff --git a/multiroots/Makefile.am b/multiroots/Makefile.am
index a351c3f..6178448 100644
--- a/multiroots/Makefile.am
+++ b/multiroots/Makefile.am
@@ -15,5 +15,5 @@ check_PROGRAMS = test
TESTS = $(check_PROGRAMS)
test_SOURCES = test.c test_funcs.c test_funcs.h
-test_LDADD = libgslmultiroots.la ../linalg/libgsllinalg.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../permutation/libgslpermutation.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
+test_LDADD = libgslmultiroots.la ../linalg/libgsllinalg.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../permutation/libgslpermutation.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
diff --git a/ode-initval/Makefile.am b/ode-initval/Makefile.am
index 9c774b5..346c381 100644
--- a/ode-initval/Makefile.am
+++ b/ode-initval/Makefile.am
@@ -12,7 +12,7 @@ check_PROGRAMS = test
TESTS = $(check_PROGRAMS)
-test_LDADD = libgslodeiv.la ../linalg/libgsllinalg.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../matrix/libgslmatrix.la ../permutation/libgslpermutation.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
+test_LDADD = libgslodeiv.la ../linalg/libgsllinalg.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../matrix/libgslmatrix.la ../permutation/libgslpermutation.la ../vector/libgslvector.la ../block/libgslblock.la ../complex/libgslcomplex.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
test_SOURCES = test.c
diff --git a/poly/Makefile.am b/poly/Makefile.am
index f1dae5d..e0f8e83 100644
--- a/poly/Makefile.am
+++ b/poly/Makefile.am
@@ -10,7 +10,7 @@ noinst_HEADERS = balance.c companion.c qr.c
TESTS = $(check_PROGRAMS)
-check_PROGRAMS = test
+#check_PROGRAMS = test
test_SOURCES = test.c
test_LDADD = libgslpoly.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la ../sort/libgslsort.la
diff --git a/specfunc/Makefile.am b/specfunc/Makefile.am
index eba9ab2..772cc7e 100644
--- a/specfunc/Makefile.am
+++ b/specfunc/Makefile.am
@@ -12,7 +12,7 @@ TESTS = $(check_PROGRAMS)
check_PROGRAMS = test
-test_LDADD = libgslspecfunc.la ../eigen/libgsleigen.la ../linalg/libgsllinalg.la ../sort/libgslsort.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../block/libgslblock.la ../complex/libgslcomplex.la ../poly/libgslpoly.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
+test_LDADD = libgslspecfunc.la ../eigen/libgsleigen.la ../linalg/libgsllinalg.la ../sort/libgslsort.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../block/libgslblock.la ../complex/libgslcomplex.la ../poly/libgslpoly.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
test_SOURCES = test_sf.c test_sf.h test_airy.c test_bessel.c test_coulomb.c test_dilog.c test_gamma.c test_hyperg.c test_legendre.c test_mathieu.c
diff --git a/wavelet/Makefile.am b/wavelet/Makefile.am
index 9da20d8..8cdbd77 100644
--- a/wavelet/Makefile.am
+++ b/wavelet/Makefile.am
@@ -10,7 +10,7 @@ check_PROGRAMS = test
TESTS = $(check_PROGRAMS)
-test_LDADD = libgslwavelet.la ../blas/libgslblas.la ../cblas/libgslcblas.la ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
+test_LDADD = libgslwavelet.la ../blas/libgslblas.la @CBLAS_LINK_LIBS@ ../matrix/libgslmatrix.la ../vector/libgslvector.la ../block/libgslblock.la ../ieee-utils/libgslieeeutils.la ../err/libgslerr.la ../test/libgsltest.la ../sys/libgslsys.la ../utils/libutils.la
test_SOURCES = test.c

View file

@ -24,3 +24,31 @@ class Gsl(AutotoolsPackage, GNUMirrorPackage):
version('2.1', sha256='59ad06837397617f698975c494fe7b2b698739a59e2fcf830b776428938a0c66')
version('2.0', sha256='e361f0b19199b5e6c21922e9f16adf7eca8dd860842802424906d0f83485ca2d')
version('1.16', sha256='73bc2f51b90d2a780e6d266d43e487b3dbd78945dd0b04b14ca5980fe28d2f53')
variant('external-cblas', default=False, description='Build against external blas')
# from https://dev.gentoo.org/~mgorny/dist/gsl-2.3-cblas.patch.bz2
patch('gsl-2.3-cblas.patch', when="+external-cblas")
conflicts('+external-cblas', when="@:2.2.9999")
depends_on('m4', type='build', when='+external-cblas')
depends_on('autoconf', type='build', when='+external-cblas')
depends_on('automake', type='build', when='+external-cblas')
depends_on('libtool', type='build', when='+external-cblas')
depends_on('blas', when='+external-cblas')
@property
def force_autoreconf(self):
# The external cblas patch touches configure
return self.spec.satisfies('+external-cblas')
def configure_args(self):
configure_args = []
if self.spec.satisfies('+external-cblas'):
configure_args.append('--with-external-cblas')
configure_args.append('CBLAS_CFLAGS=%s'
% self.spec['blas'].headers.include_flags)
configure_args.append('CBLAS_LIBS=%s'
% self.spec['blas'].libs.ld_flags)
return configure_args