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# LIBPCRE2_CHECK_CONFIG ([DEFAULT-ACTION])

# ----------------------------------------------------------

#

# Checks for pcre2.

#

# This macro #defines HAVE_PCRE2_H if required header files are

# found, and sets @LIBPCRE2_LDFLAGS@ and @LIBPCRE2_CFLAGS@ to the necessary

# values.

#

# This macro is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

​

AC_DEFUN([LIBPCRE2_TRY_LINK],

[

AC_TRY_LINK(

[

#define PCRE2_CODE_UNIT_WIDTH 8

#include <pcre2.h>

],

[

    int error = 0;

    PCRE2_SIZE error_offset = 0;

    pcre2_code *regexp = pcre2_compile("test", PCRE2_ZERO_TERMINATED, PCRE2_UTF, &error, &error_offset, NULL);

    pcre2_code_free(regexp);

],

found_libpcre2="yes")

])dnl

​

AC_DEFUN([LIBPCRE2_CHECK_CONFIG],

[

    AC_ARG_WITH([libpcre2],[

If you want to specify libpcre2 installation directories:

AC_HELP_STRING([--with-libpcre2@<:@=DIR@:>@], [use libpcre2 from given base install directory (DIR), default is to search through a number of common places for the libpcre2 files.])],

        [

            if test "$withval" = "yes"; then

                want_libpcre2=yes

                if test -f /usr/local/include/pcre2.h; then

                    withval="/usr/local"

                else

                    withval="/usr"

                fi

            else

                want_libpcre2=no

                _libpcre2_dir_lib="$withval/lib"

            fi

            _libpcre2_dir="$withval"

            test "x$withval" = "xyes" && withval=/usr

            LIBPCRE2_CFLAGS="-I$withval/include"

            LIBPCRE2_LDFLAGS="-L$withval/lib"

            _libpcre2_dir_set="yes"

        ]

    )

​

    AC_ARG_WITH([libpcre2-include],

        AC_HELP_STRING([--with-libpcre2-include@<:@=DIR@:>@],

            [use libpcre2 include headers from given path.]

        ),

        [

            LIBPCRE2_CFLAGS="-I$withval"

            _libpcre2_dir_set="yes"

        ]

    )