-*- Autoconf -*-

# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.61)

AC_INIT([liblognorm], [2.0.5], [rgerhards@adiscon.com])

AM_INIT_AUTOMAKE

m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

AC_CONFIG_SRCDIR([src/lognorm.c])

AC_CONFIG_HEADER([config.h])

AC_USE_SYSTEM_EXTENSIONS

# Checks for programs.

AC_PROG_CC

AM_PROG_CC_C_O

AC_PROG_CC_C99

AC_PROG_LIBTOOL

m4_ifdef([AX_IS_RELEASE], [

	AX_IS_RELEASE([git-directory])

	m4_ifdef([AX_COMPILER_FLAGS], [

		AX_COMPILER_FLAGS()

	], [

		if test "$GCC" = "yes"

		then CFLAGS="$CFLAGS -W -Wall -Wformat-security -Wshadow -Wcast-align -Wpointer-arith -Wmissing-format-attribute -g"

		fi

		AC_MSG_WARN([missing AX_COMPILER_FLAGS macro, not using it])

	])

], [

	if test "$GCC" = "yes"

	then CFLAGS="$CFLAGS -W -Wall -Wformat-security -Wshadow -Wcast-align -Wpointer-arith -Wmissing-format-attribute -g"

	fi

	AC_MSG_WARN([missing AX_IS_RELEASE macro, not using AX_COMPILER_FLAGS macro because of this])

])

# Checks for libraries.

save_LIBS=$LIBS

LIBS=

AC_SEARCH_LIBS(clock_getm4_defn([AC_AUTOCONF_VERSION]), [2.68]time, rt)

LIBS=$save_LIBS

# Checks for header files.

AC_HEADER_STDC

#AC_CHECK_HEADERS([])

# Checks for typedefs, structures, and compiler characteristics.

AC_C_CONST

AC_TYPE_SIZE_T

#AC_HEADER_TIME

#AC_STRUCT_TM

# Checks for library functions.

AC_FUNC_SELECT_ARGTYPES

AC_TYPE_SIGNAL

AC_FUNC_STRERROR_R

AC_CHECK_FUNCS([strdup strndup strtok_r])

LIBLOGNORM_CFLAGS="-I\$(top_srcdir)/src"

LIBLOGNORM_LIBS="\$(top_builddir)/src/liblognorm.la"

AC_SUBST(LIBLOGNORM_CFLAGS)

AC_SUBST(LIBLOGNORM_LIBS)

# modules we require

PKG_CHECK_MODULES(LIBESTR, libestr >= 0.0.0)

PKG_CHECK_MODULES(JSON_C, libfastjson,, )

# add libestr flags to pkgconfig file for static linking

AC_SUBST(pkg_config_libs_private, $LIBESTR_LIBS)

# Regular expressions

AC_ARG_ENABLE(regexp,

        [AS_HELP_STRING([--enable-regexp],[Enable regular expressions support @<:@default=no@:>@])],

        [case "${enableval}" in

         yes) enable_regexp="yes" ;;

          no) enable_regexp="no" ;;

           *) AC_MSG_ERROR(bad value ${enableval} for --enable-regexp) ;;

         esac],

        [enable_regexp="no"]

)

AM_CONDITIONAL(ENABLE_REGEXP, test x$enable_regexp = xyes)

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

        PKG_CHECK_MODULES(PCRE, libpcre)

        AC_DEFINE(FEATURE_REGEXP, 1, [Regular expressions support enabled.])

	FEATURE_REGEXP=1

else

	FEATURE_REGEXP=0

fi

AC_SUBST(FEATURE_REGEXP)

# debug mode settings

AC_ARG_ENABLE(debug,

        [AS_HELP_STRING([--enable-debug],[Enable debug mode @<:@default=no@:>@])],

        [case "${enableval}" in

         yes) enable_debug="yes" ;;

          no) enable_debug="no" ;;

           *) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;

         esac],

        [enable_debug="no"]

)

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

        AC_DEFINE(DEBUG, 1, [Defined if debug mode is enabled.])

fi

if test "$enable_debug" = "no"; then

        AC_DEFINE(NDEBUG, 1, [Defined if debug mode is disabled.])

fi

# advanced statistics

AC_ARG_ENABLE(advanced-stats,

        [AS_HELP_STRING([--enable-advanced-stats],[Enable advanced statistics @<:@default=no@:>@])],

        [case "${enableval}" in

         yes) enable_advstats="yes" ;;

          no) enable_advstats="no" ;;

           *) AC_MSG_ERROR(bad value ${enableval} for --enable-advstats) ;;

         esac],

        [enable_advstats="no"]

)

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

        AC_DEFINE(ADVANCED_STATS, 1, [Defined if advanced statistics are enabled.])

fi

# docs (html) build settings

AC_ARG_ENABLE(docs,

	[AS_HELP_STRING([--enable-docs],[Enable building HTML docs (requires Sphinx) @<:@default=no@:>@])],

	[case "${enableval}" in

		yes) enable_docs="yes" ;;

		no) enable_docs="no" ;;

		*) AC_MSG_ERROR(bad value ${enableval} for --enable-docs) ;;

	esac],

	[enable_docs="no"]

)

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

	AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [no])

	if test "$SPHINXBUILD" = "no"; then

		AC_MSG_ERROR([sphinx-build is required to build documentation, install it or try --disable-docs])

	fi

fi

AM_CONDITIONAL([ENABLE_DOCS], [test "$enable_docs" = "yes"])

AC_ARG_ENABLE(testbench,

        [AS_HELP_STRING([--enable-testbench],[testbench enabled @<:@default=yes@:>@])],

        [case "${enableval}" in

         yes) enable_testbench="yes" ;;

          no) enable_testbench="no" ;;

           *) AC_MSG_ERROR(bad value ${enableval} for --enable-testbench) ;;

         esac],

        [enable_testbench=yes]

)

AM_CONDITIONAL(ENABLE_TESTBENCH, test x$enable_testbench = xyes)

AC_ARG_ENABLE(valgrind,

        [AS_HELP_STRING([--enable-valgrind],[valgrind enabled @<:@default=no@:>@])],

        [case "${enableval}" in

         yes) enable_valgrind="yes" ;;

          no) enable_valgrind=="no" ;;

           *) AC_MSG_ERROR(bad value ${enableval} for --enable-valgrind) ;;

         esac],

        [enable_valgrind=no]

)

AM_CONDITIONAL(ENABLE_VALGRIND, test x$enable_valgrind = xyes)

VALGRIND="$enable_valgrind"

AC_SUBST(VALGRIND)

AC_ARG_ENABLE(tools,

        [AS_HELP_STRING([--enable-tools],[lognorm toolset enabled @<:@default=yes@:>@])],

        [case "${enableval}" in

         yes) enable_tools="yes" ;;

          no) enable_tools="no" ;;

           *) AC_MSG_ERROR(bad value ${enableval} for --enable-tools) ;;

         esac],

        [enable_tools=yes]

)

AM_CONDITIONAL(ENABLE_TOOLS, test x$enable_tools = xyes)

AC_CONFIG_FILES([Makefile \

		lognorm.pc \

		compat/Makefile \

		doc/Makefile \

		src/Makefile \

		src/lognorm-features.h \

		tools/Makefile \

		tests/Makefile \

		tests/options.sh])

AC_OUTPUT

AC_CONFIG_MACRO_DIR([m4])

echo "*****************************************************"

echo "liblognorm will be compiled with the following settings:"

echo

echo "Regex enabled:               $enable_regexp"

echo "Advanced Statistics enabled: $enable_advstats"

echo "Testbench enabled:           $enable_testbench"

echo "Valgrind enabled:            $enable_valgrind"

echo "Debug mode enabled:          $enable_debug"

echo "Tools enabled:               $enable_tools"

echo "Docs enabled:                $enable_docs"