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libstdc++: use grep -E instead of egrep in scripts

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egrep has been deprecated in favor of grep -E for a long time, and the
next grep release (3.8 or 4.0) will print a warning of egrep is used.
Stop using egrep so we won't see the warning.

grep's from GNU, BSD (including Mac OS X), AIX, BusyBox all support -E
and -F.  Solaris grep doesn't support -E, but extract_symvers.in already
contains a special case for Solaris and doxygen documentation generation
is already broken on non-GNU.

libstdc++-v3/ChangeLog:

	* scripts/extract_symvers.in: Use grep -E instead of egrep.
	* scripts/run_doxygen: Likewise.

(cherry picked from commit fa4e97907f)
This commit is contained in:
Xi Ruoyao
2022-06-24 15:02:23 +08:00
committed by Jonathan Wakely
parent 5c156f5be4
commit c6f80dca4e
2 changed files with 4 additions and 4 deletions
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4
libstdc++-v3/scripts/extract_symvers.in
View File

@@ -54,8 +54,8 @@ SunOS)
${readelf} ${lib} |\
sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
sed -e 's/ \[<localentry>: [0-9]*\] //' |\
egrep -v ' (LOCAL|UND) ' |\
egrep -v ' (_DYNAMIC|_GLOBAL_OFFSET_TABLE_|_PROCEDURE_LINKAGE_TABLE_|_edata|_end|_etext)$' |\
grep -E -v ' (LOCAL|UND) ' |\
grep -E -v ' (_DYNAMIC|_GLOBAL_OFFSET_TABLE_|_PROCEDURE_LINKAGE_TABLE_|_edata|_end|_etext)$' |\
sed -e 's/ <processor specific>: / <processor_specific>:_/g' |\
sed -e 's/ <OS specific>: / <OS_specific>:_/g' |\
sed -e 's/ <unknown>: / <unknown>:_/g' |\

4
libstdc++-v3/scripts/run_doxygen
View File

@@ -291,7 +291,7 @@ cxxflags="-Og -g -std=gnu++23"
$gxx $cppflags $cxxflags ${srcdir}/doc/doxygen/stdheader.cc -o ./stdheader || exit 1
# Doxygen outputs something like "\fC#include <unique_lock\&.h>\fP" and
# we want that internal header to be replaced with something like <mutex>.
problematic=`egrep -l '#include <.*h>' [a-z]*.3`
problematic=`grep -E -l '#include <.*h>' [a-z]*.3`
for f in $problematic; do
# this is also slow, but safe and easy to debug
oldh=`sed -n '/fC#include </s/.*<\(.*\)>.*/\1/p' $f`
@@ -303,7 +303,7 @@ rm stdheader
# Some of the pages for generated modules have text that confuses certain
# implementations of man(1), e.g. on GNU/Linux. We need to have another
# top-level *roff tag to /stop/ the .SH NAME entry.
problematic=`egrep --files-without-match '^\.SH SYNOPSIS' [A-Z]*.3`
problematic=`grep -E --files-without-match '^\.SH SYNOPSIS' [A-Z]*.3`
#problematic='Containers.3 Sequences.3 Assoc_containers.3 Iterator_types.3'
for f in $problematic; do