From e28a2c09840415d3b3c1436fda1e42ad7face23a Mon Sep 17 00:00:00 2001
From: carlzhc <356889@gmail.com>
Date: Tue, 9 Apr 2024 08:06:42 +0800
Subject: [PATCH] Fix build errors on MSYS platform

---
 CMakeLists.txt | 6 ++++++
 GNUmakefile    | 3 +++
 ttyio.c        | 3 +++
 3 files changed, 12 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a0c9dca0..6dae2f85 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,12 @@ if(CMAKE_SYSTEM_NAME MATCHES "Linux")
   string (REPLACE ";" " " LIBBSD_FLAGS "${BSD_CFLAGS}")
   target_link_libraries (mg ${BSD_LIBRARIES})
   set (CMAKE_C_FLAGS "-Wall -DREGEX -D_GNU_SOURCE ${LIBBSD_FLAGS} ${NCURSES_FLAGS} -L${NCURSES_LIBRARY_DIRS}")
+elseif(CMAKE_SYSTEM_NAME MATCHES "MSYS")
+  pkg_check_modules (BSD REQUIRED libbsd-overlay)
+  link_directories (${BSD_LIBRARY_DIRS})
+  string (REPLACE ";" " " LIBBSD_FLAGS "${BSD_CFLAGS}")
+  target_link_libraries (mg ${BSD_LIBRARIES})
+  set (CMAKE_C_FLAGS "-Wall -DREGEX -isystem /usr/include -D_GNU_SOURCE ${LIBBSD_FLAGS} ${NCURSES_FLAGS}")
 else()
   set (CMAKE_C_FLAGS "-Wall -DREGEX ${LIBBSD_FLAGS} ${NCURSES_FLAGS} -L${NCURSES_LIBRARY_DIRS}")
 endif()
diff --git a/GNUmakefile b/GNUmakefile
index 9afa1b8e..d8945d03 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -40,6 +40,9 @@ endif
 
 ifdef STATIC
   LDFLAGS=-static -static-libgcc
+  ifneq ($(MSYSTEM),)
+    CURSES_LIBS:= $(CURSES_LIBS).dll
+  endif
 endif
 
 CC?=		gcc
diff --git a/ttyio.c b/ttyio.c
index d4ede36c..c3f91dfa 100644
--- a/ttyio.c
+++ b/ttyio.c
@@ -14,6 +14,9 @@
 #include <sys/queue.h>
 #include <sys/time.h>
 #include <sys/types.h>
+#if defined(__MSYS__)
+#include <sys/socket.h>
+#endif
 #include <errno.h>
 #include <fcntl.h>
 #include <poll.h>