[vxworks] avoid mangling __STDC_VERSION_LIMITS_H__

The mangling of the macro name that guards limits.h from reinclusion
was mangling a c23-required macro as well.  Make the edit pattern
stricter.

for  gcc/ChangeLog

	* config/t-vxworks (vxw-glimits.h): Don't mangle c23-required
	__STDC_VERSION_LIMITS_H__ define.

diff --git a/gcc/config/t-vxworks b/gcc/config/t-vxworks
index b89350c3c70f4015919ad5525d6cf29ae8e9d29c..6063943e346e665850156038d46e9ce6b520ce62 100644 (file)
--- a/gcc/config/t-vxworks
+++ b/gcc/config/t-vxworks
@@ -57,7 +57,7 @@ T_GLIMITS_H = vxw-glimits.h
 
 vxw-glimits.h: $(srcdir)/glimits.h
        ID=`echo $(BASEVER_c) | sed -e 's/\./_/g'` && \
-       sed -e "s/_LIMITS_H__/_LIMITS_H__$${ID}_/" < $< > $@T
+       sed -e "s/_LIMITS_H___/_LIMITS_H__$${ID}_/" < $< > $@T
        mv $@T $@
 
 # Arrange to "provide" a tailored version of stdint-gcc.h