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better error messages for finish.nim

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This commit is contained in:
Araq
2016-10-22 11:11:50 +02:00
parent 7cea3b6a35
commit fb3b5bc5ad
1 changed files with 12 additions and 5 deletions
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17
finish.nim
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@@ -93,15 +93,17 @@ when defined(windows):
except OSError, IOError:
result = false
proc tryDirs(dirs: varargs[string]): string =
proc tryDirs(incompat: var seq[string]; dirs: varargs[string]): string =
let bits = $(sizeof(pointer)*8)
for d in dirs:
if dirExists d:
let x = expandFilename(d / "bin")
if checkGccArch(x): return x
else: incompat.add x
elif dirExists(d & bits):
let x = expandFilename((d & bits) / "bin")
if checkGccArch(x): return x
else: incompat.add x
proc main() =
when defined(windows):
@@ -110,13 +112,15 @@ proc main() =
HKEY_CURRENT_USER)
var alreadyInPath = false
var mingWchoices: seq[string] = @[]
var incompat: seq[string] = @[]
for x in p.split(';'):
let y = expandFilename(if x[0] == '"' and x[^1] == '"':
substr(x, 1, x.len-2) else: x)
if y == desiredPath: alreadyInPath = true
if y.toLowerAscii.contains("mingw"):
if dirExists(y) and checkGccArch(y):
mingWchoices.add y
if dirExists(y):
if checkGccArch(y): mingWchoices.add y
else: incompat.add y
if alreadyInPath:
echo "bin/nim.exe is already in your PATH [Skipping]"
@@ -126,9 +130,12 @@ proc main() =
addToPathEnv(desiredPath)
if mingWchoices.len == 0:
# No mingw in path, so try a few locations:
let alternative = tryDirs("dist/mingw", "../mingw", r"C:\mingw")
let alternative = tryDirs(incompat, "dist/mingw", "../mingw", r"C:\mingw")
if alternative.len == 0:
echo "No MingW found in PATH and no candidate found " &
if incompat.len > 0:
echo "The following *incompatible* MingW installations exist"
for x in incompat: echo x
echo "No compatible MingW candidates found " &
"in the standard locations [Error]"
else:
if askBool("Found a MingW directory that is not in your PATH.\n" &