Manpage for ccache says that hashing large PCH files may take a bit, so if CCACHE_PCH_EXTSUM is set, ccache will instead try to hash just a file named as the PCH file with .sum added. The build system is responsible for handling the file.
Change-Id: I33fd04f54952d00c0f84ca364f939a86a4844fa6 Reviewed-on: https://gerrit.libreoffice.org/70380
58a7e252320f support for CCACHE_PCH_EXTSUM
solenv/gbuild/PrecompiledHeaders.mk | 2 ++
1 file changed, 2 insertions(+)