gentoo-overlay/media-gfx/alembic/files/alembic-FindIlmBase-pkgconfig.patch

diff --git a/cmake/Modules/FindIlmBase.cmake b/cmake/Modules/FindIlmBase.cmake
index dac8659..e7beb59 100644
--- a/cmake/Modules/FindIlmBase.cmake
+++ b/cmake/Modules/FindIlmBase.cmake
@@ -52,7 +52,7 @@ IF(NOT DEFINED ILMBASE_ROOT)
           SET( ALEMBIC_ILMBASE_ROOT NOTFOUND )
         ELSE()
           # TODO: set to default install path when shipping out
-          SET( ALEMBIC_ILMBASE_ROOT "/usr/local/ilmbase-1.0.1/" )
+          SET( ALEMBIC_ILMBASE_ROOT "/usr" )
         ENDIF()
     ELSE()
         IF ( ${WINDOWS} )
@@ -97,6 +97,14 @@ FIND_PATH(ILMBASE_INCLUDE_DIR
     include/OpenEXR
 )
 
+FIND_PACKAGE(PkgConfig)
+IF (PKG_CONFIG_FOUND)
+	PKG_CHECK_MODULES(PC_ILMBASE QUIET IlmBase)
+	IF (PC_ILMBASE_FOUND)
+		SET(_ilmbase_libs_ver_init ${PC_ILMBASE_VERSION})
+	ENDIF()
+ENDIF()
+
 # If the headers were found, get the version from config file, if not already set.
 IF(ILMBASE_INCLUDE_DIR)
   SET(ALEMBIC_ILMBASE_INCLUDE_DIRECTORY ${ILMBASE_INCLUDE_DIR})