[2] | 1 | |
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[79] | 2 | #=============================================================== |
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| 3 | # |
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| 4 | # This shell script emulates the behaviour of the 'cmt buid dependencies' operation |
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| 5 | # but using cpp -M instead |
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| 6 | # |
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| 7 | #=============================================================== |
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[2] | 8 | |
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[79] | 9 | function compute_dependencies () |
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[2] | 10 | { |
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| 11 | file=$1 |
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| 12 | |
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[79] | 13 | # Generate the expected format: |
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| 14 | # one single line |
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| 15 | # prefix is a make macro |
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| 16 | # ends with a dependency to the stamp file |
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[2] | 17 | |
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[79] | 18 | a=`eval cpp -M ${allflags} ${file} | \ |
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| 19 | sed -e 's#[.]o:#_'"${suffix}"'_dependencies = #' -e 's#[\\]$##'` |
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[2] | 20 | |
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[79] | 21 | if test ! `echo ${a} | wc -w` = "0"; then |
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| 22 | echo -n ${a} |
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| 23 | else |
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| 24 | echo -n "${file_name}_${suffix}_dependencies = ${file}" |
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| 25 | fi |
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| 26 | |
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| 27 | echo " \$(bin)${constituent}_deps/${file_name}_${suffix}.stamp" |
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| 28 | |
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| 29 | # create or update the stamp file |
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| 30 | |
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| 31 | touch ${bin}/${constituent}_deps/${file_name}_${suffix}.stamp |
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[2] | 32 | } |
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| 33 | |
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[79] | 34 | #-------------------------------------------- |
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| 35 | macro_value () |
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| 36 | { |
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| 37 | name=$1 |
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| 38 | shift |
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[2] | 39 | |
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[79] | 40 | grep "^${name}=" ${tempmacros} | sed -e "s#^${name}=##" |
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| 41 | } |
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[2] | 42 | |
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[79] | 43 | #----------------------------------------------------- |
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| 44 | # Pre-compute all configuration parameters from CMT queries |
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| 45 | #----------------------------------------------------- |
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| 46 | function prepare_context () |
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| 47 | { |
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| 48 | /bin/rm -f ${tempmacros} |
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| 49 | cmt -quiet build tag_makefile > ${tempmacros} |
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| 50 | cmt -quiet filter ${tempmacros} ${tempmacros}A; mv ${tempmacros}A ${tempmacros} |
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[2] | 51 | |
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[79] | 52 | # /bin/rm -f ${tempconstituents} |
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| 53 | # cmt -quiet show constituents > ${tempconstituents} |
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| 54 | # cmt -quiet filter ${tempconstituents} ${tempconstituents}A; mv ${tempconstituents}A ${tempconstituents} |
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| 55 | } |
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[2] | 56 | |
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[79] | 57 | #------------------------------------------------------------------------------------------ |
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| 58 | # Main |
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| 59 | # |
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| 60 | # Expected arguments: |
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| 61 | # 1 : <constituent name> |
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| 62 | # 2 : -all_sources |
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| 63 | # 3... : <source file list> |
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| 64 | # |
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| 65 | #------------------------------------------------------------------------------------------ |
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[2] | 66 | |
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[79] | 67 | constituent=$1 |
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| 68 | shift |
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[2] | 69 | |
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[79] | 70 | all_sources=$1 |
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| 71 | shift |
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| 72 | |
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[2] | 73 | files=$* |
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| 74 | |
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[79] | 75 | #--------------- |
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| 76 | # Prepare temporary file management |
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| 77 | # |
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| 78 | tempprefix=/tmp/CMT$$ |
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| 79 | if test ! "${TMP}" = ""; then |
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| 80 | tempprefix=${TMP}/CMT$$ |
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| 81 | fi |
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| 82 | |
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| 83 | tempmacros=${tempprefix}/macros$$ |
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| 84 | tempconstituents=${tempprefix}/constituents$$ |
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| 85 | |
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| 86 | trap "if test -d ${tempprefix} ; then chmod -R +w ${tempprefix}; fi; /bin/rm -rf ${tempprefix}" 0 1 2 15 |
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| 87 | |
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| 88 | if test -d ${tempprefix} ; then chmod -R +w ${tempprefix}; fi |
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| 89 | /bin/rm -rf ${tempprefix} |
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| 90 | mkdir -p ${tempprefix} |
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| 91 | #--------------- |
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| 92 | |
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| 93 | #--------------- |
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| 94 | # prepare the context from CMT |
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| 95 | # |
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| 96 | prepare_context |
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| 97 | |
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| 98 | incl=`macro_value includes` |
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| 99 | |
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| 100 | cflags=`macro_value cflags` |
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| 101 | const_cflags=`macro_value ${constituent}_cflags` |
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| 102 | const_pp_cflags=`macro_value ${constituent}_pp_cflags` |
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| 103 | |
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| 104 | cppflags=`macro_value cppflags` |
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| 105 | const_cppflags=`macro_value ${constituent}_cppflags` |
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| 106 | const_pp_cppflags=`macro_value ${constituent}_pp_cppflags` |
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| 107 | |
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| 108 | bin=`macro_value bin` |
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| 109 | #-------------- |
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| 110 | |
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| 111 | #-------------- |
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| 112 | # Prepare the directory for the stamp files |
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| 113 | # |
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| 114 | mkdir -p ${bin}/${constituent}_deps |
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| 115 | #-------------- |
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| 116 | |
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| 117 | #-------------- |
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| 118 | # Prepare the dependency file |
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| 119 | # |
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| 120 | output=${bin}${constituent}_dependencies.make |
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| 121 | #-------------- |
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| 122 | |
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| 123 | #-------------- |
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| 124 | # Loop over source files (if any) |
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| 125 | # |
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[2] | 126 | for f in `echo ${files}`; do |
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[79] | 127 | suffix=`echo ${f} | sed -e 's#.*[.]##'` |
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| 128 | file_name=`basename ${f} .${suffix}` |
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| 129 | |
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| 130 | # First remove the old dependency line from the output |
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| 131 | |
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| 132 | if test -f ${output}; then |
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| 133 | grep -v "${file_name}_${suffix}_dependencies" ${output} >t$$; mv t$$ ${output} |
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| 134 | fi |
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| 135 | |
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| 136 | echo "computing dependencies for ${file_name}.${suffix}" |
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| 137 | |
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| 138 | case ${suffix} in |
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| 139 | c ) allflags="${incl} ${cflags} ${const_cflags} ${const_cpp_cflags}";; |
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| 140 | C|cc|cxx|cpp ) allflags="${incl} ${cppflags} ${const_cppflags} ${const_cpp_cppflags}";; |
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| 141 | esac |
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| 142 | |
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| 143 | echo "cpp -M ${allflags} ${f}" |
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| 144 | |
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| 145 | compute_dependencies ${f} >>${output} |
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[2] | 146 | done |
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[79] | 147 | #-------------- |
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[2] | 148 | |
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| 149 | |
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[79] | 150 | |
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