itpp: various fixups

Replaces #1742 with various fixups
  - remove extraneous wget change in main Makefile
  - disable docs
  - enable shared/static
  - fix blas/lapack libs
  - install pc file
  - build test

src/itpp-1-fixes.patch

@@ -0,0 +1,23 @@
+This file is part of MXE. See LICENSE.md for licensing information.
+
+Contains ad hoc patches for cross building.
+
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Tony Theodore <tonyt@logyst.com>
+Date: Wed, 1 Nov 2017 19:30:10 +1100
+Subject: [PATCH] install pc files etc. on mingw
+
+
+diff --git a/itpp/CMakeLists.txt b/itpp/CMakeLists.txt
+index 1111111..2222222 100644
+--- a/itpp/CMakeLists.txt
++++ b/itpp/CMakeLists.txt
+@@ -101,7 +101,7 @@ if (HTML_DOCS AND DOXYGEN_FOUND)
+ endif()
+ 
+ #itpp-config script for UNIX-like systems
+-if (UNIX)
++if (UNIX OR MINGW)
+   if (ITPP_LIBS)
+     string (REPLACE ";" " " ITPP_LIBS "${ITPP_LIBS}")
+   endif()

src/itpp.mk

@@ -17,11 +17,17 @@ define $(PKG)_UPDATE
 endef
 
 define $(PKG)_BUILD
-    cd '$(BUILD_DIR)' && '$(TARGET)-cmake' \
-        -DCMAKE_INSTALL_PREFIX:STRING="lib/itpp" \
-        -DBLAS_LIBRARIES=libblas.dll \
-        '$(SOURCE_DIR)'
-
+    cd '$(BUILD_DIR)' && '$(TARGET)-cmake' '$(SOURCE_DIR)' \
+        -DITPP_SHARED_LIB=$(CMAKE_SHARED_BOOL) \
+        -DHTML_DOCS=OFF \
+        -DBLAS_LIBRARIES=-lblas \
+        -DLAPACK_LIBRARIES='-llapack -lgfortran -lquadmath'
     $(MAKE) -C '$(BUILD_DIR)' -j $(JOBS)
     $(MAKE) -C '$(BUILD_DIR)' -j 1 install
+
+    # compile test
+    '$(TARGET)-g++' \
+        -W -Wall -pedantic \
+        '$(SOURCE_DIR)/tests/array_test.cpp' -o '$(PREFIX)/$(TARGET)/bin/test-$(PKG).exe' \
+        `'$(TARGET)-pkg-config' $(PKG) --cflags --libs`
 endef