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报错日志：
[ 123s] gcc -DHAVE_CONFIG_H -I. -I../../include -I../../lib/Xm -I../../lib -I./../../lib -I./../../include -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libxml2 -I/usr/include/libpng16 -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/generic-hardened-cc1 -fstack-protector-strong -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -D_FILE_OFFSET_BITS=64 -Wall -g -fstack-protector-strong -fno-strict-aliasing -Wno-unused -Wno-comment -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/libxml2 -MT wmlouth.o -MD -MP -MF .deps/wmlouth.Tpo -c -o wmlouth.o wmlouth.c
[ 123s] wmlouth.c: In function 'wmlOutputUilConst':
[ 123s] wmlouth.c:802:1: error: format not a string literal and no format arguments [-Werror=format-security]
[ 123s] 802 | fprintf (outfil, canned1a);
[ 123s] | ^~~~~~~
[ 123s] cc1: some warnings being treated as errors
[ 123s] make[2]: *** [Makefile:531: wmlouth.o] Error 1

问题原因：fprintf没有格式参数
解决办法：添加%s