5b3fcf92ea
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401392
66 lines
1.8 KiB
Bash
Executable file
66 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
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#
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# Generate dependencies from a list of source files
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# Check to make sure our environment variables are set
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if test x"$INCLUDE" = x -o x"$SOURCES" = x -o x"$objects" = x -o x"$output" = x; then
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echo "SOURCES, INCLUDE, objects, and output needs to be set"
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exit 1
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fi
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cache_prefix=".#$$"
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generate_var()
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{
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echo $1 | sed -e 's|^.*/||' -e 's|\.|_|g'
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}
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search_deps()
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{
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base=`echo $1 | sed 's|/[^/]*$||'`
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grep '#include "' <$1 | sed -e 's|.*"\([^"]*\)".*|\1|' | \
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while read file
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do cache=${cache_prefix}_`generate_var $file`
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if test -f $cache; then
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# We already ahve this cached
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if test x$2 = x; then
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cat $cache
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else
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cat $cache >>$2
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fi
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continue;
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fi
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for path in $base `echo $INCLUDE | sed 's|-I||g'`
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do dep="$path/$file"
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if test -f "$dep"; then
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echo " $dep \\" >>$cache
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if test x$2 = x; then
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echo " $dep \\"
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else
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echo " $dep \\" >>$2
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fi
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search_deps $dep $cache
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break
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fi
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done
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done
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}
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:>${output}.new
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for src in $SOURCES
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do echo "Generating dependencies for $src"
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ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`
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obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|$objects/\1.lo|g"`
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echo "$obj: $src \\" >>${output}.new
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search_deps $src | sort | uniq >>${output}.new
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echo "" >>${output}.new
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case $ext in
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asm) echo " \$(BUILDASM)" >>${output}.new;;
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cc) echo " \$(BUILDCC)" >>${output}.new;;
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c) echo " \$(BUILDC)" >>${output}.new;;
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m) echo " \$(BUILDM)" >>${output}.new;;
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*) echo "Unknown file extension: $ext";;
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esac
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echo "" >>${output}.new
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done
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rm -f ${cache_prefix}*
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mv ${output}.new ${output}
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