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generated...
2007-08-05

(C) 2007 guidod
Download the M4 Source.

ac_check_curl

Back to the Main Page.

Synopsis
AC_CHECK_CURL(version, action-if, action-not) ,

check for curl of sufficient version by looking at curl-config

Version

2005-09-20

Author

Akos Maroy <darkeye@tyrell.hu>

License

AllPermissive
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. Users of this software should generally follow the principles of the MIT License includings its disclaimer.

Category

cryp.to ac-archive's Installed Packages (released)

Documentation

Defines CURL_LIBS, CURL_CFLAGS. See curl-config(1) man page.

M4 Source Code
AC_DEFUN([AC_CHECK_CURL], [
  succeeded=no

  if test -z "$CURL_CONFIG"; then
    AC_PATH_PROG(CURL_CONFIG, curl-config, no)
  fi

  if test "$CURL_CONFIG" = "no" ; then
    echo "*** The curl-config script could not be found. Make sure it is"
    echo "*** in your path, and that curl is properly installed."
    echo "*** Or see http://curl.haxx.se/"
  else
    dnl curl-config --version returns "libcurl &lt;version&gt;", thus cut the number
    CURL_VERSION=`$CURL_CONFIG --version | cut -d" " -f2`
    AC_MSG_CHECKING(for curl &gt;= $1)
        VERSION_CHECK=`expr $CURL_VERSION \&gt;\= $1`
        if test "$VERSION_CHECK" = "1" ; then
            AC_MSG_RESULT(yes)
            succeeded=yes

            AC_MSG_CHECKING(CURL_CFLAGS)
            CURL_CFLAGS=`$CURL_CONFIG --cflags`
            AC_MSG_RESULT($CURL_CFLAGS)

            AC_MSG_CHECKING(CURL_LIBS)
            CURL_LIBS=`$CURL_CONFIG --libs`
            AC_MSG_RESULT($CURL_LIBS)
        else
            CURL_CFLAGS=""
            CURL_LIBS=""
            ## If we have a custom action on failure, don't print errors, but
            ## do set a variable so people can do so.
            ifelse([$3], ,echo "can't find curl &gt;= $1",)
        fi

        AC_SUBST(CURL_CFLAGS)
        AC_SUBST(CURL_LIBS)
  fi

  if test $succeeded = yes; then
     ifelse([$2], , :, [$2])
  else
     ifelse([$3], , AC_MSG_ERROR([Library requirements (curl) not met.]), [$3])
  fi
])