cmake: Minor config tweaks for downstream usability
- Sort the list of config variables to make diffs easier
to grok for rolls in projects like Chromium that maintain
copies of files like aom_config.h and aom_config.asm.
- Use a relative toolchain path in aom_config.c to reduce
diff noise.
Change-Id: I1842c99406789d87a8413d62a9fccc610ec9ab66
diff --git a/build/cmake/generate_aom_config_templates.cmake b/build/cmake/generate_aom_config_templates.cmake
index 103c9f7..a826ec0 100644
--- a/build/cmake/generate_aom_config_templates.cmake
+++ b/build/cmake/generate_aom_config_templates.cmake
@@ -79,6 +79,7 @@
include("${AOM_ROOT}/build/cmake/aom_config_defaults.cmake")
list(APPEND aom_build_vars ${AOM_DETECT_VARS} ${AOM_CONFIG_VARS})
+list(SORT aom_build_vars)
set(aom_config_h_template "${AOM_CONFIG_DIR}/config/aom_config.h.cmake")
file(WRITE "${aom_config_h_template}" ${h_file_header_block})
