v0.11.0-rc0-1630-g51cc2e7 fails to build on mingw with gcc version 3.4.5 (mingw32 special) and GNU Make version 3.79.1.
gcc -I/home/sh/vm/qemu/v0.11.0-rc0-1630-g51cc2e7/slirp -Wold-style-definition -I. -I/home/sh/vm/qemu/v0.11.0-rc0-1630-g51cc2e7 -U_FORTIFY_SOURCE -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wendif-labels -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -m32 -DWIN32_LEAN_AND_MEAN -DWINVER=0x501 -MMD -MP -MT audio/mixeng.o -O2 -g -c -o audio/mixeng.o audio/mixeng.c gcc -I/home/sh/vm/qemu/v0.11.0-rc0-1630-g51cc2e7/slirp -Wold-style-definition -I. -I/home/sh/vm/qemu/v0.11.0-rc0-1630-g51cc2e7 -U_FORTIFY_SOURCE -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wendif-labels -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -m32 -DWIN32_LEAN_AND_MEAN -DWINVER=0x501 -MMD -MP -MT -I/mingw/include/SDL -D_GNU_SOURCE=1 -Dmain=SDL_main -O2 -g -c -o audio/sdlaudio.o audio/sdlaudio.c audio/sdlaudio.c:24:17: warning: SDL.h: No such file or directory audio/sdlaudio.c:25:24: warning: SDL_thread.h: No such file or directory Notice the missing parameter for "-MT" with sdlaudio, but not mixeng. Before commit 02d5467e9f43dac05f04999e387108ca4c8ba140 "-MT" was followed by "-U_FORTIFY_SOURCE", but now it's "-I/mingw/include/SDL" which gets swallowed. - Sebastian