Hello,
I am building glibc 2.23 with a toolchain that includes texinfo 7.1 (on Ubuntu 24.04).
The build process fails during install target with a segmentation fault and the following message:
texi2any (XS parser): bug: parent hv not already set
I was able to create a minimal example to reproduce the issue outside of the glibc build process itself:
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..8e26d60
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,2 @@
+all:
+ makeinfo header.texi
diff --git a/header.texi b/header.texi
new file mode 100644
index 0000000..556aa36
--- /dev/null
+++ b/header.texi
@@ -0,0 +1,8 @@
+@node Summary
+@table @code
+@comment just a comment
+@include summary.texi
+@end table
+@iftex
+@textfonts @rm
+@end iftex
diff --git a/summary.texi b/summary.texi
new file mode 100644
index 0000000..55cc2d6
--- /dev/null
+++ b/summary.texi
@@ -0,0 +1,3 @@
+@c just a comment
+@comment FOO
+@item FOO
I have confirmed that the issue only occurs with texinfo 7.1+ and is not present in earlier versions.
The latest development version of 7.1 (1fdf0183654700f2d72f706ab96b0b8456cf58fc) has the same issue, but there is a little bit more information in the error message shown, which might be helpful to debug:
texi2any (XS parser): bug: parent 0x56d882087aa0 hv not set in @include[A1] <- @iftex '@include summary.texi
Let me know if you need more information.
Christoph