package lapack: use $(TARGET)-ranlib and add test program

(cherry picked from commit ae7bd20d37)

src/lapack-test.f

@@ -0,0 +1,10 @@
+*
+* This file is part of MXE.
+* See index.html for further information.
+*
+      INTEGER MAJOR, MINOR, PATCH
+*
+      CALL ILAVER ( MAJOR,MINOR, PATCH )
+      WRITE(*,*) "LAPACK ",MAJOR,".",MINOR,".",PATCH
+*
+      END

src/lapack.mk

@@ -20,6 +20,12 @@ define $(PKG)_BUILD
     cd '$(1)' && cmake \
         -DCMAKE_TOOLCHAIN_FILE='$(CMAKE_TOOLCHAIN_FILE)' \
         -DCMAKE_AR='$(PREFIX)/bin/$(TARGET)-ar' \
+        -DCMAKE_RANLIB='$(PREFIX)/bin/$(TARGET)-ranlib' \
         .
     $(MAKE) -C '$(1)/SRC' -j '$(JOBS)' install
+
+    '$(TARGET)-gfortran' \
+        -W -Wall -Werror -pedantic \
+        '$(2).f' -o '$(PREFIX)/$(TARGET)/bin/test-lapack.exe' \
+        -llapack
 endef