CMake: add a -DBUILD_WITHOUT_64BIT_OFFSET advanced option (#5941)

to allow building for 32bit Android.
OSGeo · Jun 20, 2022 · 6be8e18 · 6be8e18
1 parent d465ed2
commit 6be8e18
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/port/CMakeLists.txt b/port/CMakeLists.txt
@@ -136,6 +136,11 @@ if (WIN32)
   target_sources(cpl PRIVATE cpl_vsil_win32.cpp)
 else ()
   target_sources(cpl PRIVATE cpl_vsil_unix_stdio_64.cpp)
+  set(BUILD_WITHOUT_64BIT_OFFSET OFF CACHE BOOL "Build GDAL without > 4GB file support. If file API does not seem to support 64-bit offset.")
+  mark_as_advanced(BUILD_WITHOUT_64BIT_OFFSET)
+  if(BUILD_WITHOUT_64BIT_OFFSET)
+      target_compile_definitions(cpl PRIVATE -DBUILD_WITHOUT_64BIT_OFFSET)
+  endif()
 endif ()
 
 if (HAVE_SSSE3_AT_COMPILE_TIME)