diff -Naur bison-3.0.5-orig/build-aux/config.guess bison-3.0.5/build-aux/config.guess --- bison-3.0.5-orig/build-aux/config.guess 2018-05-08 13:02:48.000000000 +0300 +++ bison-3.0.5/build-aux/config.guess 2018-05-31 08:52:50.957050300 +0300 @@ -947,6 +947,9 @@ amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) GUESS=x86_64-pc-cygwin ;; + amd64:MSYS*:*:* | x86_64:MSYS*:*:*) + echo x86_64-unknown-msys + exit ;; prep*:SunOS:5.*:*) SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` GUESS=powerpcle-unknown-solaris2$SUN_REL diff -Naur bison-3.0.5-orig/build-aux/config.rpath bison-3.0.5/build-aux/config.rpath --- bison-3.0.5-orig/build-aux/config.rpath 2018-05-08 13:02:48.000000000 +0300 +++ bison-3.0.5/build-aux/config.rpath 2018-05-31 08:49:39.149826800 +0300 @@ -57,7 +57,7 @@ aix*) wl='-Wl,' ;; - mingw* | cygwin* | pw32* | os2* | cegcc*) + mingw* | cygwin* | msys* | pw32* | os2* | cegcc*) ;; hpux9* | hpux10* | hpux11*) wl='-Wl,' @@ -149,7 +149,7 @@ hardcode_minus_L=no case "$host_os" in - cygwin* | mingw* | pw32* | cegcc*) + cygwin* | msys* | mingw* | pw32* | cegcc*) # FIXME: the MSVC++ port hasn't been tested in a loooong time # When not using gcc, we currently assume that we are using # Microsoft Visual C++. @@ -198,7 +198,7 @@ ld_shlibs=no fi ;; - cygwin* | mingw* | pw32* | cegcc*) + cygwin* | msys* | mingw* | pw32* | cegcc*) # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' @@ -348,7 +348,7 @@ ;; bsdi[45]*) ;; - cygwin* | mingw* | pw32* | cegcc*) + cygwin* | msys* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is @@ -533,7 +533,7 @@ bsdi[45]*) library_names_spec='$libname$shrext' ;; - cygwin* | mingw* | pw32* | cegcc*) + cygwin* | msys* | mingw* | pw32* | cegcc*) shrext=.dll library_names_spec='$libname.dll.a $libname.lib' ;; diff -Naur bison-3.0.5-orig/m4/double-slash-root.m4 bison-3.0.5/m4/double-slash-root.m4 --- bison-3.0.5-orig/m4/double-slash-root.m4 2018-05-08 13:02:49.000000000 +0300 +++ bison-3.0.5/m4/double-slash-root.m4 2018-05-31 08:49:39.227827000 +0300 @@ -16,7 +16,7 @@ # special semantics and is distinct from /, please report it to # . case $host in - *-cygwin | i370-ibm-openedition) + *-cygwin | *-msys | i370-ibm-openedition) gl_cv_double_slash_root=yes ;; *) # Be optimistic and assume that / and // are the same when we diff -Naur bison-3.0.5-orig/m4/dup2.m4 bison-3.0.5/m4/dup2.m4 --- bison-3.0.5-orig/m4/dup2.m4 2018-05-08 13:02:49.000000000 +0300 +++ bison-3.0.5/m4/dup2.m4 2018-05-31 08:49:39.227827000 +0300 @@ -71,6 +71,8 @@ gl_cv_func_dup2_works="guessing no" ;; cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0 gl_cv_func_dup2_works="guessing no" ;; + msys*) # on msys 1.5.x, dup2(1,1) returns 0 + gl_cv_func_dup2_works="guessing no" ;; aix* | freebsd*) # on AIX 7.1 and FreeBSD 6.1, dup2 (1,toobig) gives EMFILE, # not EBADF. diff -aurp bison-3.1/m4/fcntl.m4.orig bison-3.1/m4/fcntl.m4 --- bison-3.1/m4/fcntl.m4.orig 2018-10-01 07:19:34.862451100 -0400 +++ bison-3.1/m4/fcntl.m4 2018-10-01 07:22:21.605390400 -0400 @@ -69,7 +69,7 @@ AC_DEFUN([gl_FUNC_FCNTL], [gl_cv_func_fcntl_f_dupfd_works=yes], [gl_cv_func_fcntl_f_dupfd_works=no], [case $host_os in - aix* | cygwin* | haiku*) + aix* | cygwin* | msys* | haiku*) gl_cv_func_fcntl_f_dupfd_works="guessing no" ;; *) gl_cv_func_fcntl_f_dupfd_works="guessing yes" ;; esac])]) diff -Naur bison-3.0.5-orig/m4/getdtablesize.m4 bison-3.0.5/m4/getdtablesize.m4 --- bison-3.0.5-orig/m4/getdtablesize.m4 2018-05-08 13:02:49.000000000 +0300 +++ bison-3.0.5/m4/getdtablesize.m4 2018-05-31 08:53:34.677327300 +0300 @@ -39,7 +39,7 @@ [gl_cv_func_getdtablesize_works=yes], [gl_cv_func_getdtablesize_works=no], [case "$host_os" in - cygwin*) # on cygwin 1.5.25, getdtablesize() automatically grows + cygwin* | msys*) # on cygwin 1.5.25, getdtablesize() automatically grows gl_cv_func_getdtablesize_works="guessing no" ;; *) gl_cv_func_getdtablesize_works="guessing yes" ;; esac diff -Naur bison-3.0.5-orig/m4/printf.m4 bison-3.0.5/m4/printf.m4 --- bison-3.0.5-orig/m4/printf.m4 2018-05-08 13:02:49.000000000 +0300 +++ bison-3.0.5/m4/printf.m4 2018-05-31 08:54:22.304211000 +0300 @@ -785,6 +785,7 @@ irix*) gl_cv_func_printf_directive_ls="guessing no";; solaris*) gl_cv_func_printf_directive_ls="guessing no";; cygwin*) gl_cv_func_printf_directive_ls="guessing no";; + msys*) gl_cv_func_printf_directive_ls="guessing no";; beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";; # Guess no on Android. linux*-android*) gl_cv_func_printf_directive_ls="guessing no";; @@ -1524,6 +1524,7 @@ darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; # Guess yes on Cygwin. cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + msys*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; # Guess yes on Solaris >= 2.6. solaris2.[0-5] | solaris2.[0-5].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; diff -Naur bison-3.0.5-orig/m4/threadlib.m4 bison-3.0.5/m4/threadlib.m4 --- bison-3.0.5-orig/m4/threadlib.m4 2018-05-08 13:02:50.000000000 +0300 +++ bison-3.0.5/m4/threadlib.m4 2018-05-31 08:49:39.446227300 +0300 @@ -68,7 +68,7 @@ dnl Disable multithreading by default on Cygwin 1.5.x, because it has dnl bugs that lead to endless loops or crashes. See dnl . - cygwin*) + cygwin* | msys*) case `uname -r` in 1.[0-5].*) gl_use_threads=no ;; *) gl_use_threads=yes ;;