graphics/gdal: Fix MYSQL option

PR:		269256
Reported by:	Martin Birgmeier <d8zNeCFG@aon.at>

graphics/gdal/Makefile

@@ -199,6 +199,7 @@ ZSTD_CMAKE_BOOL=	GDAL_USE_ZSTD
 ZSTD_LIB_DEPENDS=	libzstd.so:archivers/zstd
 
 post-patch:
+	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|' ${WRKSRC}/cmake/modules/packages/FindMySQL.cmake
 # Clean up bundled libraries
 	@${RM} -r ${WRKSRC}/alg/internal_libqhull/
 	@${RM} -r ${WRKSRC}/frmts/gif/giflib/

graphics/gdal/files/patch-mysql

@@ -0,0 +1,11 @@
+--- cmake/modules/packages/FindMySQL.cmake.orig	2023-07-06 11:14:14 UTC
++++ cmake/modules/packages/FindMySQL.cmake
+@@ -23,7 +23,7 @@ if( MYSQL_INCLUDE_DIR AND EXISTS "${MYSQL_INCLUDE_DIR}
+             "${MYSQL_VERSION_H}" )
+ endif()
+
+-find_library(MYSQL_LIBRARY NAMES mysqlclient mysqlclient_r)
++find_library(MYSQL_LIBRARY NAMES mysqlclient mysqlclient_r PATHS %%LOCALBASE%%/lib/mysql)
+
+ if( NOT CMAKE_C_COMPILER_LOADED )
+     message(AUTHOR_WARNING "C language not enabled: Skipping detection of extra link libraries.")