diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index b0a3d44cd6..5b0a679e58 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1973,6 +1973,9 @@ AC_DEFUN([GHC_CONVERT_OS],[ freebsd|netbsd|dragonfly|hpux|linuxaout|kfreebsdgnu|freebsd2|mingw32|darwin|nextstep2|nextstep3|sunos4|ultrix|haiku) $3="$1" ;; + msys) + AC_MSG_ERROR([Building GHC using the msys toolchain is not supported; please use mingw instead. Perhaps you need to set 'MSYSTEM=MINGW64 or MINGW32?']) + ;; aix*) # e.g. powerpc-ibm-aix7.1.3.0 $3="aix" ;; |