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nvi: fix build with Xcode 12 #66341

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6 changes: 5 additions & 1 deletion Formula/nvi.rb
Original file line number Diff line number Diff line change
Expand Up @@ -51,9 +51,13 @@ class Nvi < Formula

def install
cd "dist" do
# Xcode 12 needs the "-Wno-implicit-function-declaration" to compile successfully
# The usual trick of setting $CFLAGS in the environment doesn't work for this
# configure file though, but specifying an explicit CC setting does
system "./configure", "--prefix=#{prefix}",
"--program-prefix=n",
"--disable-dependency-tracking"
"--disable-dependency-tracking",
"CC=" + ENV.cc + " -Wno-implicit-function-declaration"
system "make"
ENV.deparallelize
system "make", "install"
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