https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99515
--- Comment #1 from Jürgen Reuter <juergen.reuter at desy dot de> --- Maybe I add this information which was put out right ahead of the error messages: true "AR_FLAGS=rc" "CC_FOR_BUILD=gcc" "CFLAGS=-g " "CXXFLAGS=-g " "CFLAGS_FOR_BUILD=-g -O2" "CFLAGS_FOR_TARGET=-g -O2" "INSTALL=/opt/local/bin/ginstall -c" "INSTALL_DATA=/opt/local/bin/ginstall -c -m 644" "INSTALL_PROGRAM=/opt/local/bin/ginstall -c" "INSTALL_SCRIPT=/opt/local/bin/ginstall -c" "LDFLAGS=" "LIBCFLAGS=-g -O2" "LIBCFLAGS_FOR_TARGET=-g -O2" "MAKE=/Applications/Xcode.app/Contents/Developer/usr/bin/make" "MAKEINFO=makeinfo --split-size=5000000 --split-size=5000000 --split-size=5000000 " "PICFLAG=" "PICFLAG_FOR_TARGET=" "SHELL=/bin/sh" "EXPECT=expect" "RUNTEST=runtest" "RUNTESTFLAGS=" "exec_prefix=/usr/local" "infodir=/usr/local/share/info" "libdir=/usr/local/lib" "prefix=/usr/local" "tooldir=/usr/local/x86_64-apple-darwin20.3.0" "AR=ar" "AS=as" "CC=gcc" "CXX=g++ -std=c++11" "LD=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld" "LIBCFLAGS=-g -O2" "NM=nm" "PICFLAG=" "RANLIB=ranlib" "DESTDIR=" DO=all multi-do # /Applications/Xcode.app/Contents/Developer/usr/bin/make /Applications/Xcode.app/Contents/Developer/usr/bin/make all-am true DO=all multi-do # /Applications/Xcode.app/Contents/Developer/usr/bin/make g++ -std=c++11 -I../../libcpp -I. -I../../libcpp/../include -I./../intl -I../../libcpp/include -g -W -Wall -Wno-narrowing -Wwrite-strings -Wmissing-format-attribute -pedantic -Wno-long-long -fno-exceptions -fno-rtti -I../../libcpp -I. -I../../libcpp/../include -I./../intl -I../../libcpp/include -c -o charset.o -MT charset.o -MMD -MP -MF .deps/charset.Tpo ../../libcpp/charset.c clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated] In file included from ../../libcpp/charset.c:22:
