51 lines
1.3 KiB
Text
51 lines
1.3 KiB
Text
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. ./redoconf.rc
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rc_include _all.rc
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redo-ifchange _compile
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# Subtle:
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# - un-backslashed $ expansions ($foo, $(cmd)) are
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# done *now*, while writing the script contents.
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# - backslashed $ expansions (\$foo) are written
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# verbatim into the script, to be interpreted at
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# the time the script is run.
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#
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# We want to insert the variable contents into the
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# script near the top, making sure they are not
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# split or interpreted at that point (hence the
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# $(shquote)).
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#
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# Further down, we want to disable wildcard expansion
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# (set -f) and split on $NL (so we change $IFS),
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# so we use backslash escapes but *not* quoting.
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cat >$3 <<-EOF
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#!/bin/sh -e
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# Run the C/++ compiler.
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t="\$1" d="\$2" i="\$3"
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CPPFLAGS=$(shquote "$CPPFLAGS")
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OPTFLAGS=$(shquote "$OPTFLAGS")
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case \$i in
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*.c|*.h)
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CC=$(shquote "$CC")
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CFLAGS=$(shquote "$CFLAGS")
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CXXFLAGS=
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PCH1=$(shquote "$CFLAGS_PCH")
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PCH2=$(shquote "$CFLAGS_PCH_FPIC")
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;;
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*)
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CC=$(shquote "$CXX")
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[ -n "\$CC" ] || (echo "No C++ compiler available." >&2; exit 1)
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CFLAGS=
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CXXFLAGS=$(shquote "$CXXFLAGS")
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PCH1=$(shquote "$CXXFLAGS_PCH")
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PCH2=$(shquote "$CXXFLAGS_PCH_FPIC")
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;;
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esac
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case \$PCH in
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1) FLAGS_PCH=\$PCH1 ;;
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2) FLAGS_PCH=\$PCH2 ;;
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esac
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. ./_compile
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EOF
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chmod a+x "$3"
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redo-stamp <$3
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