mirror of https://gitee.com/openkylin/quilt.git
120 lines
3.3 KiB
Plaintext
120 lines
3.3 KiB
Plaintext
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dnl Allow configure to specify a specific binary
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dnl 1: Environment variable
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dnl 2: binary name
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dnl 3: optional list of alternative binary names
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dnl 4: optional list of additional search directories
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AC_DEFUN([QUILT_COMPAT_PROG_PATH],[
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m4_define([internal_$2_cmd],[esyscmd(ls compat/$2.in 2>/dev/null)])
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AC_ARG_WITH($2, AC_HELP_STRING(
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[--with-$2], [name of the $2 executable to use]
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m4_if(internal_$2_cmd,[],[],[ (use --without-$2
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to use an internal mechanism)])),
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[
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if test x"$withval" = xnone; then
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AC_MSG_ERROR([Invalid configure argument. use --without-$2])
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fi
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if test x"$withval" != xno; then
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AC_MSG_CHECKING(for $2)
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$1="$withval"
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if test -e "$$1"; then
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if test ! -f "$$1" -a ! -h "$$1" || test ! -x "$$1"; then
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AC_MSG_ERROR([$$1 is not an executable file])
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fi
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fi
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AC_MSG_RESULT([$$1])
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if test ! -e "$$1"; then
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AC_MSG_WARN([$$1 does not exist])
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fi
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COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
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fi
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],[
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m4_if([$3],[],[
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AC_PATH_PROG($1,$2,,$PATH:$4)
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],[
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AC_PATH_PROGS($1,$3,,$PATH:$4)
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if test -n "$$1" -a "`expr "$$1" : '.*/\([[^/]]*\)$'`" != "$2"; then
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COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
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fi
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])
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m4_if([$4],[],[],[
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if test -n "$$1"; then
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for dir in "$4"; do
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if test "`dirname $$1`" = "$dir"; then
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COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
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break
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fi
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done
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IFS="$as_save_IFS"
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fi
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])
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])
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if test -z "$$1"; then
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m4_if(internal_$2_cmd,[],[
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AC_MSG_ERROR([Please specify the location of $2 with the option '--with-$2'])
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],[
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AC_MSG_WARN([Using internal $2 mechanism. Use option '--with-$2' to override])
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COMPAT_PROGRAMS="$COMPAT_PROGRAMS $2"
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$1=$2
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INTERNAL_$1=1
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])
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fi
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AC_SUBST($1)
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])
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dnl Allow configure to specify a specific binary
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dnl This variant is for optional binaries.
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dnl 1: Environment variable
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dnl 2: binary name
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dnl 3: optional list of alternative binary names
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dnl 4: optional list of additional search directories
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AC_DEFUN([QUILT_COMPAT_PROG_PATH_OPT],[
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AC_ARG_WITH($2, AC_HELP_STRING(
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[--with-$2], [name of the $2 executable to use]),
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[
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if test x"$withval" != xno; then
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AC_MSG_CHECKING(for $2)
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$1="$withval"
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if test -e "$$1"; then
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if test ! -f "$$1" -a ! -h "$$1" || test ! -x "$$1"; then
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AC_MSG_ERROR([$$1 is not an executable file])
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fi
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fi
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AC_MSG_RESULT([$$1])
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if test ! -e "$$1"; then
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AC_MSG_WARN([$$1 does not exist])
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fi
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COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
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fi
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],[
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m4_if([$3],[],[
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AC_PATH_PROG($1,$2,,$PATH:$4)
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],[
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AC_PATH_PROGS($1,$3,,$PATH:$4)
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if test -n "$$1" -a "`expr "$$1" : '.*/\([[^/]]*\)$'`" != "$2"; then
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COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
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fi
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])
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m4_if([$4],[],[],[
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if test -n "$$1"; then
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for dir in "$4"; do
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if test "`dirname $$1`" = "$dir"; then
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COMPAT_SYMLINKS="$COMPAT_SYMLINKS $2"
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break
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fi
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done
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IFS="$as_save_IFS"
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fi
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])
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if test -z "$$1"; then
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AC_MSG_WARN([$2 not found, some optional functionalities will be missing])
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fi
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])
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if test -z "$$1"; then
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$1=$2
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fi
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AC_SUBST($1)
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])
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