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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_LINK_IFELSE([AC_LANG_PROGRAM([[

#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],

[

    want_libpcre2=no

    found_libpcre2=no

    libpcre2_dir=""

    libpcre2_include_dir=""

    libpcre2_lib_dir=""

​

    #

    # process --with-* flags

    #

​

    AC_ARG_WITH([libpcre2],[

If you want to specify libpcre2 installation directories:

AS_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" != "no"; then

            want_libpcre2=yes

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

                libpcre2_dir="$withval"

            fi

        fi

    ])

​

    AC_ARG_WITH([libpcre2-include], AS_HELP_STRING([--with-libpcre2-include@<:@=DIR@:>@], [use libpcre2 include headers from given path.]), [

        want_libpcre2="yes"

        libpcre2_include_dir="$withval"

        if ! test -d "$libpcre2_include_dir"; then

            AC_MSG_ERROR([cannot find $libpcre2_include_dir directory])

        fi

        if ! test -f "$libpcre2_include_dir/pcre2.h"; then

            AC_MSG_ERROR([cannot find $libpcre2_include_dir/pcre2.h])

        fi

    ])

​

    AC_ARG_WITH([libpcre2-lib], AS_HELP_STRING([--with-libpcre2-lib@<:@=DIR@:>@], [use libpcre2 libraries from given path.]), [

        want_libpcre2="yes"