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-rw-r--r--profiles/prefix/windows/cygwin/profile.bashrc13
1 files changed, 13 insertions, 0 deletions
diff --git a/profiles/prefix/windows/cygwin/profile.bashrc b/profiles/prefix/windows/cygwin/profile.bashrc
new file mode 100644
index 000000000000..f016c87b0d4f
--- /dev/null
+++ b/profiles/prefix/windows/cygwin/profile.bashrc
@@ -0,0 +1,13 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+if [[ ${CATEGORY}/${PN} == app-arch/xz-utils
+ && ${EBUILD_PHASE} == setup
+ && ${CPPFLAGS} == *-isystem*
+]]; then
+ # During bootstrap-prefix.sh we set CPPFLAGS="-isystem $EPREFIX/usr/include",
+ # but on Cygwin xz-utils eventually does use the windres compiler,
+ # which fails to understand -isystem.
+ # As xz-utils has no need for -isystem here, we can use -I instead.
+ CPPFLAGS=${CPPFLAGS//-isystem /-I}
+fi