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authorTibor Szabo <szabootibor@gmail.com>2017-08-11 09:30:35 (GMT)
committerBrad King <brad.king@kitware.com>2017-08-15 17:53:10 (GMT)
commit62930253a3d3eb983f846a3cf20f36e34c71cb9e (patch)
treefa121e1e56c188b460c7b11b1e90dd0359a9dc63 /Modules/FindCygwin.cmake
parentfca4423786ba2c4a5ab0ec6c1a1cbac8cd8600b4 (diff)
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FindCygwin: Fix regression when CYGWIN_INSTALL_PATH is already set
The change in commit v3.9.0-rc1~54^2 (FindCygwin: Use find_program instead of find_path, 2017-05-18) broke cases when `CYGWIN_INSTALL_PATH` is already set, e.g. on the command-line or by an earlier call to `find_package(Cygwin)`. Since `find_program` now finds the actual `cygwin.bat` file, use a separate cache entry to save the location and then compute `CYGWIN_INSTALL_PATH`. If `CYGWIN_INSTALL_PATH` is already set, use that to avoid `find_program` having to search.
Diffstat (limited to 'Modules/FindCygwin.cmake')
-rw-r--r--Modules/FindCygwin.cmake13
1 files changed, 8 insertions, 5 deletions
diff --git a/Modules/FindCygwin.cmake b/Modules/FindCygwin.cmake
index b2ed703..c6913da 100644
--- a/Modules/FindCygwin.cmake
+++ b/Modules/FindCygwin.cmake
@@ -8,14 +8,17 @@
# this module looks for Cygwin
if (WIN32)
- find_program(CYGWIN_INSTALL_PATH
+ if(CYGWIN_INSTALL_PATH)
+ set(CYGWIN_BAT "${CYGWIN_INSTALL_PATH}/cygwin.bat")
+ endif()
+
+ find_program(CYGWIN_BAT
cygwin.bat
"C:/Cygwin"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Cygwin\\setup;rootdir]"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Cygnus Solutions\\Cygwin\\mounts v2\\/;native]"
)
- get_filename_component(CYGWIN_INSTALL_PATH "${CYGWIN_INSTALL_PATH}" DIRECTORY)
- mark_as_advanced(
- CYGWIN_INSTALL_PATH
- )
+ get_filename_component(CYGWIN_INSTALL_PATH "${CYGWIN_BAT}" DIRECTORY)
+ mark_as_advanced(CYGWIN_BAT)
+
endif ()