When doing something like: make install includedir=/foo/bar/baz
in gcc 4.0.0 you get the following error: test -z "/include" || mkdir -p -- "/include" /usr/bin/install -c -m 644 '/home/ams/gsc/devel/gcc/src/libmudflap/mf-runtime.h' '/include/mf-runtime.h' /usr/bin/install: cannot create regular file `/include/mf-runtime.h': Permission denied make[5]: *** [install-includeHEADERS] Error 1 This applys to any platform, not just GNU. Happy hacking. -- Summary: [gcc]/libmudflap/Makefile.am, refusing to install mf- runtime.h in includedir Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: libmudflap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ams at gnu dot org CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-gnu0.3 GCC host triplet: i686-pc-gnu0.3 GCC target triplet: i686-pc-gnu0.3 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21724