From: Stuart Henderson <stu@spacehopper.org>
Subject: Re: libcxx update requires manual steps before make build
To: Robert Nagy <robert@openbsd.org>
Cc: tech@openbsd.org
Date: Fri, 26 Jan 2024 16:22:45 +0000

On 2024/01/26 16:40, Robert Nagy wrote:
> Hi
> 
> The recent commits that update libcxx will require anyone doing
> a make build to cleanup some old headers first, because libcxx
> moved the __string header to a subdirectory called __string so
> make includes will fail without this step.
> 
> You simply have to do an rm -rf /usr/include/c++/v1 before doing
> a make build, which will completely "clean up" the old headers.

I haven't got that far yet, but we probably need this too

Index: miniroot/install.sub
===================================================================
RCS file: /cvs/src/distrib/miniroot/install.sub,v
retrieving revision 1.1257
diff -u -p -r1.1257 install.sub
--- miniroot/install.sub	24 Oct 2023 18:03:53 -0000	1.1257
+++ miniroot/install.sub	26 Jan 2024 16:22:29 -0000
@@ -1784,6 +1784,8 @@ install_files() {
 			rm -rf /mnt/usr/lib/{gcc-lib,clang}
 			rm -rf /mnt/usr/bin/{gcc,g++}
 			rm -rf /mnt/usr/include/g++
+			# file changed to dir in libc++
+			rm -rf /mnt/usr/include/c++/v1
 		fi
 		rm -rf /mnt/var/syspatch/*
 	fi