[lapack] 01/01: using arch-specific compilers, binutils

[Sébastien Villemot]

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sebastien pushed a commit to branch master
in repository lapack.

commit 3a8f2cfec68a78152d2315d6a859b0edde41d371
Author: Dima Kogan <dkogan at debian.org>
Date:   Tue Aug 22 17:54:36 2017 -0700

    using arch-specific compilers, binutils
---
 debian/rules | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/debian/rules b/debian/rules
index ec49c0e..7846aae 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,11 +9,21 @@ SO:=3
 BUILDFLAGS_ENV:=DEB_LDFLAGS_MAINT_STRIP="-Wl,-Bsymbolic-functions"
 LDFLAGS:=$(shell $(BUILDFLAGS_ENV) dpkg-buildflags --get LDFLAGS)
 
-F77:=gfortran
+# if F77 isn't explicitly set (default or undefined), set it to the compiler for
+# our host architecture. This may be a cross compiler
+ifneq ($(filter default undefined,$(origin F77)),)
+F77 := /usr/bin/$(DEB_HOST_GNU_TYPE)-gfortran
+endif
+
 FFLAGS:=$(shell dpkg-buildflags --get FFLAGS)
 FFLAGS_NOOPT:=$(shell DEB_BUILD_OPTIONS=noopt dpkg-buildflags --get FFLAGS)
 
-CC:=/usr/bin/cc
+# if CC isn't explicitly set (default or undefined), set it to the compiler for
+# our host architecture. This may be a cross compiler
+ifneq ($(filter default undefined,$(origin CC)),)
+CC := /usr/bin/$(DEB_HOST_GNU_TYPE)-gcc
+endif
+
 CFLAGS:=$(shell dpkg-buildflags --get CFLAGS)
 CPPFLAGS:=$(shell dpkg-buildflags --get CPPFLAGS)
 
@@ -50,10 +60,14 @@ endif
 	dh $@
 
 make.inc: INSTALL/make.inc.gfortran
-	sed -e "s,\(^CC  *=\).*,\1 /usr/bin/cc,1" \
+	sed -e "s,\(^CC  *=\).*,\1 $(CC),1" \
+	    -e "s,\(^FORTRAN  *=\).*,\1 $(F77),1" \
 	    -e "s,\(^NOOPT  *=\).*,\1 \$$(PICOPTS) $(FFLAGS_NOOPT),1" \
 	    -e "s,\(^OPTS  *=\).*,\1 \$$(PICOPTS) $(FFLAGS),1" \
+	    -e "s,\(^LOADER  *=\).*,\1 $(F77),1" \
 	    -e "s/\(^LOADOPTS  *=\).*/\1 $(LDFLAGS)/1" \
+	    -e "s,\(^ARCH  *=\).*,\1 /usr/bin/$(DEB_HOST_GNU_TYPE)-ar,1" \
+	    -e "s,\(^RANLIB  *=\).*,\1 /usr/bin/$(DEB_HOST_GNU_TYPE)-ranlib,1" \
 	    -e "s,\(^CFLAGS  *=\).*,\1 $(CPPFLAGS) \$$(PICOPTS) $(CFLAGS),1" \
 	    < $< > $@
 	# Build deprecated routines (see #810143)

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