[root@localhost wallpaper]# make compiling : wallpaper.c -> build/libwallpaper.loPackage libstartup-notification-1.0 was not found in the pkg-config search path. Perhaps you should add the directory containing `libstartup-notification-1.0.pc' to the PKG_CONFIG_PATH environment variable Package 'libstartup-notification-1.0', required by 'beryl', not found wallpaper.c:28:19: error: beryl.h: No such file or directory wallpaper.c:29:27: error: beryl_helpers.h: No such file or directory wallpaper.c:54: error: expected specifier-qualifier-list before ‘HandleEventProc’ wallpaper.c:58: error: expected specifier-qualifier-list before ‘PaintBackgroundProc’ wallpaper.c:68: error: expected ‘)’ before ‘*’ token wallpaper.c:94: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘wallpaperInit’ wallpaper.c:107: error: expected ‘)’ before ‘*’ token wallpaper.c:115: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘wallpaperInitDisplay’ wallpaper.c:137: error: expected ‘)’ before ‘*’ token wallpaper.c: In function ‘wallpaperScreenInitOptions’: wallpaper.c:151: error: ‘CompOption’ undeclared (first use in this function) wallpaper.c:151: error: (Each undeclared identifier is reported only once wallpaper.c:151: error: for each function it appears in.) wallpaper.c:151: error: ‘o’ undeclared (first use in this function) wallpaper.c:152: error: ‘WallpaperScreen’ has no member named ‘opt’ wallpaper.c:154: warning: implicit declaration of function ‘N_’ wallpaper.c:158: error: ‘CompOptionTypeList’ undeclared (first use in this function) wallpaper.c:159: error: ‘CompOptionTypeString’ undeclared (first use in this function) wallpaper.c: At top level: wallpaper.c:173: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘wallpaperInitScreen’ wallpaper.c:240: error: expected ‘)’ before ‘*’ token wallpaper.c:259: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token wallpaper.c:276: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘wallpaperSetScreenOption’ wallpaper.c:342: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘wallpaperDeps’ wallpaper.c:349: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘wallpaperVTable’ wallpaper.c:378: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token make: *** [build/libwallpaper.lo] Error 1