Disable pkg-config on Android, and use the existing macro for minizip

CMakeLists.txt

@@ -185,7 +185,6 @@ if (ASSIMP_COVERALLS)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
 endif()
 
-INCLUDE (FindPkgConfig)
 INCLUDE_DIRECTORIES( include )
 
 INCLUDE (PrecompiledHeader)
@@ -255,9 +254,7 @@ ENDIF(NOT ZLIB_FOUND)
 INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
 
 # Search for unzip
-IF (PKG_CONFIG_FOUND)
-  PKG_CHECK_MODULES(UNZIP minizip)
-ENDIF (PKG_CONFIG_FOUND)
+use_pkgconfig(UNZIP minizip)
 
 IF ( ASSIMP_NO_EXPORT )
   ADD_DEFINITIONS( -DASSIMP_BUILD_NO_EXPORT)

cmake-modules/FindPkgMacros.cmake

@@ -59,10 +59,13 @@ endmacro(clear_if_changed)
 
 # Try to get some hints from pkg-config, if available
 macro(use_pkgconfig PREFIX PKGNAME)
+  # Android does not support PKG_CONFIG so we disable it
+  IF ( NOT ANDROID )
     find_package(PkgConfig)
     if (PKG_CONFIG_FOUND)
       pkg_check_modules(${PREFIX} ${PKGNAME})
     endif ()
+  ENDIF ( NOT ANDROID )
 endmacro (use_pkgconfig)
 
 # Couple a set of release AND debug libraries (or frameworks)