1 | # Like AC_CONFIG_HEADER, but automatically create stamp file.
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2 |
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3 | # serial 3
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4 |
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5 | # When config.status generates a header, we must update the stamp-h file.
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6 | # This file resides in the same directory as the config header
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7 | # that is generated. We must strip everything past the first ":",
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8 | # and everything past the last "/".
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9 |
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10 | AC_PREREQ([2.12])
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11 |
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12 | AC_DEFUN([AM_CONFIG_HEADER],
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13 | [ifdef([AC_FOREACH],dnl
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14 | [dnl init our file count if it isn't already
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15 | m4_ifndef([_AM_Config_Header_Index], m4_define([_AM_Config_Header_Index], [0]))
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16 | dnl prepare to store our destination file list for use in config.status
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17 | AC_FOREACH([_AM_File], [$1],
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18 | [m4_pushdef([_AM_Dest], m4_patsubst(_AM_File, [:.*]))
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19 | m4_define([_AM_Config_Header_Index], m4_incr(_AM_Config_Header_Index))
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20 | dnl and add it to the list of files AC keeps track of, along
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21 | dnl with our hook
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22 | AC_CONFIG_HEADERS(_AM_File,
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23 | dnl COMMANDS, [, INIT-CMDS]
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24 | [# update the timestamp
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25 | echo timestamp >"AS_ESCAPE(_AM_DIRNAME(]_AM_Dest[))/stamp-h]_AM_Config_Header_Index["
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26 | ][$2]m4_ifval([$3], [, [$3]]))dnl AC_CONFIG_HEADERS
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27 | m4_popdef([_AM_Dest])])],dnl
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28 | [AC_CONFIG_HEADER([$1])
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29 | AC_OUTPUT_COMMANDS(
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30 | ifelse(patsubst([$1], [[^ ]], []),
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31 | [],
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32 | [test -z "$CONFIG_HEADERS" || echo timestamp >dnl
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33 | patsubst([$1], [^\([^:]*/\)?.*], [\1])stamp-h]),dnl
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34 | [am_indx=1
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35 | for am_file in $1; do
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36 | case " \$CONFIG_HEADERS " in
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37 | *" \$am_file "*)
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38 | am_dir=\`echo \$am_file |sed 's%:.*%%;s%[^/]*\$%%'\`
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39 | if test -n "\$am_dir"; then
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40 | am_tmpdir=\`echo \$am_dir |sed 's%^\(/*\).*\$%\1%'\`
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41 | for am_subdir in \`echo \$am_dir |sed 's%/% %'\`; do
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42 | am_tmpdir=\$am_tmpdir\$am_subdir/
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43 | if test ! -d \$am_tmpdir; then
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44 | mkdir \$am_tmpdir
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45 | fi
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46 | done
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47 | fi
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48 | echo timestamp > "\$am_dir"stamp-h\$am_indx
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49 | ;;
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50 | esac
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51 | am_indx=\`expr \$am_indx + 1\`
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52 | done])
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53 | ])]) # AM_CONFIG_HEADER
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54 |
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55 | # _AM_DIRNAME(PATH)
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56 | # -----------------
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57 | # Like AS_DIRNAME, only do it during macro expansion
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58 | AC_DEFUN([_AM_DIRNAME],
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59 | [m4_if(m4_regexp([$1], [^.*[^/]//*[^/][^/]*/*$]), -1,
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60 | m4_if(m4_regexp([$1], [^//\([^/]\|$\)]), -1,
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61 | m4_if(m4_regexp([$1], [^/.*]), -1,
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62 | [.],
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63 | m4_patsubst([$1], [^\(/\).*], [\1])),
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64 | m4_patsubst([$1], [^\(//\)\([^/].*\|$\)], [\1])),
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65 | m4_patsubst([$1], [^\(.*[^/]\)//*[^/][^/]*/*$], [\1]))[]dnl
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66 | ]) # _AM_DIRNAME
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