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INSTALL: diagnose missing gcc on Darwin

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https://codereview.appspot.com/55700043
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Russ Cox 2014-01-22 11:23:19 -05:00
parent f9781769d5
commit baf127ad04
1 changed files with 5 additions and 1 deletions
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6
INSTALL
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@ -76,7 +76,11 @@ if [ `uname` = Darwin ]; then
# On Darwin, uname -m -p cannot be trusted.
echo "* Running on Darwin: checking architecture..."
rm -f ./a.out
gcc lib/darwin-main.c >/dev/null 2>&1
if ! gcc lib/darwin-main.c >/dev/null 2>&1; then
echo "Cannot find gcc. You may need to install the command-line tools using Xcode." >&2
echo "See http://swtch.com/go/xcodegcc for details." >&2
exit 1
fi
case "$(file ./a.out 2>/dev/null)" in
*x86_64*)
echo " x86-64 found."