alure: fix pkg-config detection and enable shared

src/alure-1-fixes.patch

@@ -0,0 +1,50 @@
+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: Sun, 18 Feb 2018 12:33:24 +1100
+Subject: [PATCH 1/2] fix pkg-config
+
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1111111..2222222 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -14,12 +14,12 @@ INCLUDE(CheckIncludeFile)
+ INCLUDE(CheckIncludeFiles)
+ INCLUDE(CheckLibraryExists)
+ INCLUDE(CheckSharedFunctionExists)
+-INCLUDE(FindPkgConfig)
+-INCLUDE(UsePkgConfig)
+ INCLUDE(CheckFileOffsetBits)
+ 
+ PROJECT(ALURE)
+ 
++find_package(PkgConfig)
++
+ IF(WIN32)
+     SET(LIBNAME ALURE32)
+ ELSE(WIN32)
+
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Tony Theodore <tonyt@logyst.com>
+Date: Sun, 18 Feb 2018 12:51:07 +1100
+Subject: [PATCH 2/2] disable docs
+
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1111111..2222222 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -497,9 +497,6 @@ ELSE(APPLE)
+     SET(INCPATH AL)
+ ENDIF(APPLE)
+ 
+-INSTALL(DIRECTORY "${ALURE_SOURCE_DIR}/docs/html"
+-        DESTINATION share/doc/alure
+-)
+ INSTALL(FILES include/AL/alure.h
+         DESTINATION "include/${INCPATH}"
+ )

src/alure.mk

@@ -18,15 +18,13 @@ define $(PKG)_UPDATE
 endef
 
 define $(PKG)_BUILD
-    cd '$(1)/build' && '$(TARGET)-cmake' \
-        -DDYNLOAD=OFF \
+    cd '$(BUILD_DIR)' && $(TARGET)-cmake '$(SOURCE_DIR)' \
+        -DDYNLOAD=$(CMAKE_SHARED_BOOL) \
+        -DBUILD_SHARED=$(CMAKE_SHARED_BOOL) \
+        -DBUILD_STATIC=$(CMAKE_STATIC_BOOL) \
         -DBUILD_EXAMPLES=OFF \
         -DFLUIDSYNTH=OFF \
-        -DCMAKE_C_FLAGS="-DAL_LIBTYPE_STATIC -DALURE_STATIC_LIBRARY" \
-        -DCMAKE_CXX_FLAGS="-DAL_LIBTYPE_STATIC -DALURE_STATIC_LIBRARY" \
-        ..
-    $(MAKE) -C '$(1)/build' -j $(JOBS) VERBOSE=1
-    $(MAKE) -C '$(1)/build' -j $(JOBS) install
+        -DSTATIC_CFLAGS="-DAL_LIBTYPE_STATIC"
+    $(MAKE) -C '$(BUILD_DIR)' -j '$(JOBS)' VERBOSE=1
+    $(MAKE) -C '$(BUILD_DIR)' -j 1 install
 endef
-
-$(PKG)_BUILD_SHARED =