| 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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