https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95005
Bug ID: 95005
Summary: zstd.h not found if installed in non-system prefix
Product: gcc
Version: 10.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: gcc at ikkoku dot de
Target Milestone: ---
Created attachment 48482
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48482&action=edit
Add zstd include directory
While adding GCC 10.1.0 to Spack, I ran into a problem with zstd: When
specifying a non-system prefix with --with-zstd (Spack installs each package in
its own prefix), the build of lto-compress.o failed because it could not find
the zstd.h header.
The attached patch fixes the problem. It should probably be changed to export
the appropriate compiler flag from configure.ac to avoid the ifeq in the
Makefile. However, I wanted to avoid touching configure.ac so we do not have to
regenerate configure.
