[gcc r12-7207] preprocessor: Extract messages from cpp_*_at calls for translation

[Joseph Myers]

https://gcc.gnu.org/g:becc9a12a515a2d0bbe56555185102dd42ec4ef3

commit r12-7207-gbecc9a12a515a2d0bbe56555185102dd42ec4ef3
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Fri Feb 11 23:22:07 2022 +0000

    preprocessor: Extract messages from cpp_*_at calls for translation
    
    The logic in libcpp/Makefile.in listing diagnostic functions in a call
    to xgettext was missing cpp_warning_at, cpp_pedwarning_at and
    cpp_error_at, so resulting in some messages not being extracted for
    translation; add those functions to those for which messages are
    extracted.
    
    Tested with "make cpplib.pot".
    
            * Makefile.in (po/$(PACKAGE).pot): Also handle cpp_warning_at,
            cpp_pedwarning_at and cpp_error_at.

Diff:
---
 libcpp/Makefile.in | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libcpp/Makefile.in b/libcpp/Makefile.in
index 9e4c3fe5c16..08d48def0bc 100644
--- a/libcpp/Makefile.in
+++ b/libcpp/Makefile.in
@@ -252,10 +252,13 @@ po/$(PACKAGE).pot: $(libcpp_a_SOURCES)
 	  --keyword=cpp_warning:3 \
 	  --keyword=cpp_pedwarning:3 \
 	  --keyword=cpp_warning_syshdr:3 \
+	  --keyword=cpp_warning_at:4 \
+	  --keyword=cpp_pedwarning_at:4 \
 	  --keyword=cpp_error_with_line:5 \
 	  --keyword=cpp_warning_with_line:5 \
 	  --keyword=cpp_pedwarning_with_line:5 \
 	  --keyword=cpp_warning_with_line_syshdr:5 \
+	  --keyword=cpp_error_at:4 \
 	  --keyword=cpp_errno:3 \
 	  --keyword=SYNTAX_ERROR --keyword=SYNTAX_ERROR2 \
 	  --copyright-holder="Free Software Foundation, Inc." \