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class Cweb < Formula
desc "Literate documentation system for C, C++, and Java"
homepage "https://cs.stanford.edu/~knuth/cweb.html"
url "https://cs.stanford.edu/pub/cweb/cweb-3.64b.tar.gz"
mirror "https://www.ctan.org/tex-archive/web/c_cpp/cweb/cweb-3.64b.tar.gz"
sha256 "038b0bf4d8297f0a98051ca2b4664abbf9d72b0b67963a2c7700d2f11cd25595"
bottle do
sha256 "77291255506b068cd1856498a048708baf94d29a60267fe5ab221e46cd1a383f" => :mojave
sha256 "e6888449565ebd6620ebc6851dbef48765a0654b3e5d429cfffb617ca33e2479" => :high_sierra
sha256 "377a987173b8274ab97de6d8978816372d6f380a0fe4c9e0b09cfcd7d27ab66e" => :sierra
sha256 "86ff3ceca459e8f087644249378a19a7f53f4ebbd5c74ddfbbe6ea795003a1a2" => :el_capitan
sha256 "27c017af8f2e004888240d99a14b29ea9ac8d1fa5339d228b6a79ecda8031e4e" => :yosemite
end
def install
ENV.deparallelize
macrosdir = share/"texmf/tex/generic"
cwebinputs = lib/"cweb"
# make install doesn't use `mkdir -p` so this is needed
[bin, man1, macrosdir, elisp, cwebinputs].each(&:mkpath)
system "make", "install",
"DESTDIR=#{bin}/",
"MANDIR=#{man1}",
"MANEXT=1",
"MACROSDIR=#{macrosdir}",
"EMACSDIR=#{elisp}",
"CWEBINPUTS=#{cwebinputs}"
end
test do
(testpath/"test.w").write <<~EOS
@* Hello World
This is a minimal program written in CWEB.
@c
#include <stdio.h>
void main() {
printf("Hello world!");
}
EOS
system bin/"ctangle", "test.w"
system ENV.cc, "test.c", "-o", "hello"
assert_equal "Hello world!", pipe_output("./hello")
end
end