# Process this file with autoconf to create configure.

AC_PREREQ([2.65])

# ====================

# Version informations

# ====================

m4_define([libmspub_version_major],[0])

m4_define([libmspub_version_minor],[1])

m4_define([libmspub_version_micro],[4])

m4_define([libmspub_version],[libmspub_version_major.libmspub_version_minor.libmspub_version_micro])

# =============

# Automake init

# =============

AC_INIT([libmspub],[libmspub_version])

AC_CONFIG_MACRO_DIR([m4])

AC_CONFIG_HEADER([config.h])

AM_INIT_AUTOMAKE([1.11 foreign dist-xz dist-bzip2])

AM_SILENT_RULES([yes])

AC_LANG([C++])

# ===========================

# Find required base packages

# ===========================

m4_ifdef([AM_PROG_AR], [AM_PROG_AR])

AC_PROG_CC

AC_PROG_CPP

AC_PROG_CXX

AC_PROG_INSTALL

AC_PROG_LN_S

AC_PROG_MAKE_SET

LT_INIT([win32-dll disable-static pic-only])

AC_CANONICAL_HOST

AX_CXX_COMPILE_STDCXX_11

AX_GCC_FUNC_ATTRIBUTE([format])

DLP_FALLTHROUGH

PKG_PROG_PKG_CONFIG([0.20])

# ===============

# Find librevenge

# ===============

PKG_CHECK_MODULES([REVENGE],[

	librevenge-0.0 >= 0.0.1

])

AC_SUBST([REVENGE_CFLAGS])

AC_SUBST([REVENGE_LIBS])

# =====

# Tools

# =====

AC_ARG_ENABLE([tools],

	[AS_HELP_STRING([--disable-tools], [Build conversion tools])],

	[enable_tools="$enableval"],

	[enable_tools=yes]

)

AM_CONDITIONAL(BUILD_TOOLS, [test "x$enable_tools" = "xyes"])

# =======

# Fuzzers

# =======

AC_ARG_ENABLE([fuzzers],

	[AS_HELP_STRING([--enable-fuzzers], [Build fuzzer(s)])],

	[enable_fuzzers="$enableval"],

	[enable_fuzzers=no]

)

AM_CONDITIONAL(BUILD_FUZZERS, [test "x$enable_fuzzers" = "xyes"])

AS_IF([test "x$enable_tools" = "xyes" -o "x$enable_fuzzers" = "xyes"], [

	PKG_CHECK_MODULES([REVENGE_STREAM],[

		librevenge-stream-0.0

	])

	PKG_CHECK_MODULES([REVENGE_GENERATORS],[

		librevenge-generators-0.0

	])

])

AC_SUBST([REVENGE_STREAM_CFLAGS])

AC_SUBST([REVENGE_STREAM_LIBS])

AC_SUBST([REVENGE_GENERATORS_CFLAGS])

AC_SUBST([REVENGE_GENERATORS_LIBS])

# =========

# Find zlib

# =========

PKG_CHECK_MODULES([ZLIB],[zlib])

AC_SUBST(ZLIB_CFLAGS)

AC_SUBST(ZLIB_LIBS)

# ===========================

# Find required boost headers

# ===========================

AC_CHECK_HEADERS(

	boost/cstdint.hpp \

	boost/numeric/conversion/cast.hpp \

	boost/optional.hpp \

	,

	[],

	[AC_MSG_ERROR(Required boost headers not found. Install boost)],

	[]

)

# ========

# Find icu

# ========

PKG_CHECK_MODULES([ICU], [icu-i18n])

AC_SUBST(ICU_CFLAGS)

AC_SUBST(ICU_LIBS)

# =================================

# Libtool/Version Makefile settings

# =================================

AC_SUBST(MSPUB_MAJOR_VERSION, [libmspub_version_major])

AC_SUBST(MSPUB_MINOR_VERSION, [libmspub_version_minor])

AC_SUBST(MSPUB_MICRO_VERSION, [libmspub_version_micro])

AC_SUBST(MSPUB_VERSION, [libmspub_version])

# AC_SUBST(LT_RELEASE, [libmspub_version_major.libmspub_version_minor])

LT_CURRENT=`expr 100 '*' libmspub_version_major + libmspub_version_minor`

# For 1.0.0 comment the first line and uncomment the second

LT_AGE=0

# LT_AGE=libmspub_version_minor

AC_SUBST(LT_CURRENT)

AC_SUBST(LT_REVISION, [libmspub_version_micro])

AC_SUBST(LT_AGE)

# ==========================

# Platform check for windows

# ==========================

AC_MSG_CHECKING([for native Win32])

AS_CASE([$host],

	[*-*-mingw*], [

		native_win32=yes

		LIBMSPUB_WIN32_RESOURCE=libmspub-win32res.lo

		PUB2RAW_WIN32_RESOURCE=pub2raw-win32res.lo

		PUB2XHTML_WIN32_RESOURCE=pub2xhtml-win32res.lo

	], [

		native_win32=no

		LIBMSPUB_WIN32_RESOURCE=

		PUB2RAW_WIN32_RESOURCE=

		PUB2XHTML_WIN32_RESOURCE=

	]

)

AC_MSG_RESULT([$native_win32])

AM_CONDITIONAL(OS_WIN32, [test "x$native_win32" = "xyes"])

AC_SUBST(LIBMSPUB_WIN32_RESOURCE)

AC_SUBST(PUB2RAW_WIN32_RESOURCE)

AC_SUBST(PUB2XHTML_WIN32_RESOURCE)

AC_MSG_CHECKING([for Win32 platform in general])

AS_CASE([$host],

	[*-*-mingw*|*-*-cygwin*], [platform_win32=yes],

	[platform_win32=no]

)

AC_MSG_RESULT([$platform_win32])

AM_CONDITIONAL([PLATFORM_WIN32], [test "x$platform_win32" = "xyes"])

AS_IF([test $platform_win32 = yes],

    [],

    [

        AC_MSG_CHECKING([for -fvisibility=hidden compiler flag])

        saved_CXXFLAGS="$CXXFLAGS"

        CXXFLAGS="$CXXFLAGS -fvisibility=hidden"

        AC_TRY_COMPILE([], [],

            [

                AC_MSG_RESULT([yes])

                CXXFLAGS="$CXXFLAGS -DLIBMSPUB_VISIBILITY"

            ],

            [

                AC_MSG_RESULT([no])

                CXXFLAGS="$saved_CXXFLAGS"

            ]

        )

    ]

)

# ================

# Check for cflags

# ================

AC_ARG_ENABLE([werror],

	[AS_HELP_STRING([--enable-werror], [Treat all warnings as errors, useful for development])],

	[enable_werror="$enableval"],

	[enable_werror=no]

)

AS_IF([test x"$enable_werror" != "xno"], [

	CFLAGS="$CFLAGS -Werror"

	CXXFLAGS="$CXXFLAGS -Werror"

])

AC_ARG_ENABLE([weffc],

	[AS_HELP_STRING([--disable-weffc], [ Disable -Weffc++ warnings, useful when using an old version of gcc or of boost])],

	[enable_weffc="$enableval"],

	[enable_weffc=yes]

)

AC_ARG_ENABLE([wparanoic],

	[AS_HELP_STRING([--enable-wparanoic], [Enable a lot of warnings...])],

	[enable_wparanoic="$enableval"],

	[enable_wparanoic=no]

)

# Courtesy of Glib: Ensure MSVC-compatible struct packing convention

# is used when compiling for Win32 with gcc.

AS_IF([test "x$native_win32" = "xyes"], [

	AC_CHECK_TOOL(WINDRES, windres)

	AS_IF([test x"$GCC" = xyes], [

		AC_MSG_CHECKING([how to get MSVC-compatible struct packing])

		AS_IF([test -z "$ac_cv_prog_CC"], [

			our_gcc="$CC"

		], [

			our_gcc="$ac_cv_prog_CC"

		])

		AS_IF([$our_gcc -v --help 2>/dev/null | grep ms-bitfields >/dev/null], [

			msnative_struct="-mms-bitfields"

			CFLAGS="$CFLAGS $msnative_struct"

			CXXFLAGS="$CXXFLAGS $msnative_struct"

			AC_MSG_RESULT([${msnative_struct}])

		], [

			AC_MSG_RESULT([no way])

			AC_MSG_WARN([produced libraries might be incompatible with MSVC-compiled code])

		])

	])

	CFLAGS="$CFLAGS -Wall -Wextra -pedantic"

	CXXFLAGS="$CXXFLAGS -Wall -Wextra -pedantic"

], [

	AS_IF([test x"$GCC" = xyes], [

		# Be tough with warnings and produce less careless code

		CFLAGS="$CFLAGS -Wall -Wextra -pedantic"

		CXXFLAGS="$CXXFLAGS -Wall -Wextra -pedantic -Wshadow -Wunused-variable"

		AS_IF([test x"$enable_weffc" != "xno"], [

			CXXFLAGS="$CXXFLAGS -Weffc++"

		])

		AS_IF([test x"$enable_wparanoic" != "xno"], [

			CXXFLAGS="$CXXFLAGS -Wcast-align -Wcast-qual -Wchar-subscripts"

			CXXFLAGS="$CXXFLAGS -Wcomment -Wconversion -Wdisabled-optimization"

			CXXFLAGS="$CXXFLAGS -Wfloat-equal -Wformat -Wformat=2"

			CXXFLAGS="$CXXFLAGS -Wformat-nonliteral -Wformat-security"

			CXXFLAGS="$CXXFLAGS -Wformat-y2k -Wimport -Winit-self -Winvalid-pch"

			CXXFLAGS="$CXXFLAGS -Wmissing-braces -Wmissing-field-initializers"

			CXXFLAGS="$CXXFLAGS -Wmissing-format-attribute -Wmissing-include-dirs"

			CXXFLAGS="$CXXFLAGS -Wmissing-noreturn -Wpacked -Wparentheses"

			CXXFLAGS="$CXXFLAGS -Wpointer-arith -Wredundant-decls -Wreturn-type"

			CXXFLAGS="$CXXFLAGS -Wsequence-point -Wsign-compare -Wstrict-aliasing"

			CXXFLAGS="$CXXFLAGS -Wstrict-aliasing=2 -Wswitch -Wswitch-default"

			CXXFLAGS="$CXXFLAGS -Wswitch-enum -Wtrigraphs -Wunknown-pragmas -Wunused"

			CXXFLAGS="$CXXFLAGS -Wunused-function -Wunused-label -Wunused-parameter"

			CXXFLAGS="$CXXFLAGS -Wunused-value -Wvariadic-macros"

			CXXFLAGS="$CXXFLAGS -Wvolatile-register-var -Wwrite-strings"

		])

	])

])

AC_SUBST(DEBUG_CXXFLAGS)

# ============

# Debug switch

# ============

AC_ARG_ENABLE([debug],

	[AS_HELP_STRING([--enable-debug], [Turn on debugging])],

	[enable_debug="$enableval"],

	[enable_debug=no]

)

AS_IF([test "x$enable_debug" = "xyes"], [

	DEBUG_CXXFLAGS="-DDEBUG -g"

	CXXFLAGS="$CXXFLAGS -O0"

	CFLAGS="$CFLAGS -O0"

], [

	DEBUG_CXXFLAGS="-DNDEBUG"

])

LIBMSPUB_CXXFLAGS="$LIBMSPUB_CFLAGS"

AC_SUBST(LIBMSPUB_CXXFLAGS)

AC_SUBST(DEBUG_CXXFLAGS)

# =============

# Documentation

# =============

AC_ARG_WITH(docs,

	[AS_HELP_STRING([--without-docs], [Do not build documentation])],

	[with_docs="$withval"],

	[AS_IF([test "x$native_win32" = "xyes"], [with_docs=no], [with_docs=yes])]

)

AS_IF([test "x$with_docs" != "xno"], [

	AC_PATH_PROG(DOXYGEN, [doxygen])

	AS_IF([test -z "$DOXYGEN"], [

		AC_MSG_WARN([*** Could not find doxygen in your PATH.])

		AC_MSG_WARN([*** The documentation will not be built.])

		build_docs=no

	], [build_docs=yes])

], [build_docs=no])

AM_CONDITIONAL([WITH_LIBMSPUB_DOCS], [test "x$build_docs" != "xno"])

# =====================

# Prepare all .in files

# =====================

AC_CONFIG_FILES([

Makefile

src/Makefile

src/conv/Makefile

src/conv/raw/Makefile

src/conv/raw/pub2raw.rc

src/conv/svg/Makefile

src/conv/svg/pub2xhtml.rc

src/fuzz/Makefile

src/lib/Makefile

src/lib/libmspub.rc

inc/Makefile

inc/libmspub/Makefile

build/Makefile

build/win32/Makefile

docs/Makefile

docs/doxygen/Makefile

libmspub-$MSPUB_MAJOR_VERSION.$MSPUB_MINOR_VERSION.pc:libmspub.pc.in

])

AC_OUTPUT

# ==============================================

# Display final informations about configuration

# ==============================================

AC_MSG_NOTICE([

==============================================================================

Build configuration:

	debug:           ${enable_debug}

	docs:            ${build_docs}

	fuzzers:         ${enable_fuzzers}

	tools:           ${enable_tools}

	werror:          ${enable_werror}

==============================================================================

])