diff --git a/config.mak.uname b/config.mak.uname
index f34dcaad20..b0592c15cc 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -518,7 +518,7 @@ ifneq (,$(findstring MINGW,$(uname_S)))
 	NO_INET_NTOP = YesPlease
 	NO_POSIX_GOODIES = UnfortunatelyYes
 	DEFAULT_HELP_FORMAT = html
-	COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -D_USE_32BIT_TIME_T -DNOGDI -Icompat -Icompat/win32
+	COMPAT_CFLAGS += -D_USE_32BIT_TIME_T -DNOGDI -Icompat -Icompat/win32
 	COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
 	COMPAT_OBJS += compat/mingw.o compat/winansi.o \
 		compat/win32/pthread.o compat/win32/syslog.o \
@@ -541,8 +541,25 @@ ifneq (,$(wildcard ../THIS_IS_MSYSGIT))
 	INTERNAL_QSORT = YesPlease
 	HAVE_LIBCHARSET_H = YesPlease
 	NO_GETTEXT = YesPlease
+	COMPAT_CLFAGS += -D__USE_MINGW_ACCESS
 else
-	NO_CURL = YesPlease
+	ifeq ($(shell expr "$(uname_R)" : '2\.'),2)
+		# MSys2
+		CC = gcc
+		prefix = /mingw32
+		COMPAT_CFLAGS += -D__USE_MINGW_ANSI_STDIO=0
+		INSTALL = /bin/install
+		NO_R_TO_GCC_LINKER = YesPlease
+		INTERNAL_QSORT = YesPlease
+		HAVE_LIBCHARSET_H = YesPlease
+		NO_GETTEXT = YesPlease
+		USE_LIBPCRE= YesPlease
+		NO_CURL =
+		USE_NED_ALLOCATOR = YesPlease
+	else
+		COMPAT_CFLAGS += -D__USE_MINGW_ANSI_STDIO
+		NO_CURL = YesPlease
+	endif
 endif
 endif
 ifeq ($(uname_S),QNX)