MSYS: Add support for running under MSYS runtime environment

Detect MSYS as CYGWIN, with the required adaptations.

1 files changed, 12 insertions, 2 deletions

diff --git a/bootstrap b/bootstrap
index 2a81ef2c07..aefd210e7c 100755
--- a/bootstrap
+++ b/bootstrap
@@ -97,8 +97,17 @@ else
   cmake_system_cygwin=false
 fi
 
+# Determine whether this is a MSYS environment.
+if echo "${cmake_system}" | grep MSYS >/dev/null 2>&1; then
+  cmake_system_msys=true
+  cmake_doc_dir_keyword="MSYS"
+  cmake_man_dir_keyword="MSYS"
+else
+  cmake_system_msys=false
+fi
+
 # Determine whether this is a MinGW environment.
-if echo "${cmake_system}" | grep 'MINGW\|MSYS' >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep 'MINGW' >/dev/null 2>&1; then
   cmake_system_mingw=true
 else
   cmake_system_mingw=false
@@ -1071,7 +1080,7 @@ else
 fi
 
 # Add Cygwin-specific flags
-if ${cmake_system_cygwin}; then
+if ${cmake_system_cygwin} || ${cmake_system_msys}; then
   cmake_ld_flags="${LDFLAGS} -Wl,--enable-auto-import"
 fi
 
@@ -1096,6 +1105,7 @@ cmake_toolchains=''
 case "${cmake_system}" in
   *AIX*)   cmake_toolchains='XL GNU' ;;
   *CYGWIN*) cmake_toolchains='GNU' ;;
+  *MSYS*) cmake_toolchains='GNU' ;;
   *Darwin*) cmake_toolchains='Clang GNU' ;;
   *Linux*) cmake_toolchains='GNU Clang XL PGI PathScale' ;;
   *MINGW*) cmake_toolchains='GNU' ;;