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mirror of https://gitlab.xiph.org/xiph/ezstream.git synced 2024-11-03 04:17:18 -05:00
ezstream/m4/taglib.m4
moritz ca84146c77 Update m4 macros, allowing for more easy control over the build process among
other things. Fix a silly bug in --enable-debug while there.


git-svn-id: https://svn.xiph.org/trunk/ezstream@16149 0101bb08-14d6-0310-b084-bc0e0c8e3800
2009-06-21 14:21:32 +00:00

351 lines
8.3 KiB
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dnl # $Id$
dnl # Check for working installations of TagLib and its C-wrapper library,
dnl # libtag_c.
dnl # Provides appropriate --with configuration options, fills and substitutes
dnl # the TAGLIB_CFLAGS, TAGLIB_CPPFLAGS, TAGLIB_LDFLAGS, TAGLIB_LIBS and
dnl # TAGLIB_C_LIBS variables accordingly.
dnl # Copyright (c) 2008, 2009 Moritz Grimm <mgrimm@mrsserver.net>
dnl #
dnl # Permission to use, copy, modify, and distribute this software for any
dnl # purpose with or without fee is hereby granted, provided that the above
dnl # copyright notice and this permission notice appear in all copies.
dnl #
dnl # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
dnl # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
dnl # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
dnl # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
dnl # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
dnl # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
dnl # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
dnl # Both check functions provide TAGLIB_CPPFLAGS and TAGLIB_LDFLAGS.
dnl # For TAGLIB_LIBS:
dnl # AX_CHECK_TAGLIB([TAGLIB-VERSION], [ACTION-IF-FOUND],
dnl # [ACTION-IF-NOT-FOUND])
dnl # For TAGLIB_C_LIBS:
dnl # AX_CHECK_TAGLIB_C([TAGLIB-VERSION], [ACTION-IF-FOUND],
dnl # [ACTION-IF-NOT-FOUND])
AC_DEFUN([_AX_CHECK_TAGLIB_OPTS],
[
AC_REQUIRE([PKG_PROG_PKG_CONFIG])
if test -z "${PKG_CONFIG}"; then
AC_MSG_ERROR([The pkg-config utility is required.], [1])
fi
AC_ARG_VAR([TAGLIB_CFLAGS],
[C compiler flags for TagLib])
AC_ARG_VAR([TAGLIB_CPPFLAGS],
[C preprocessor flags for TagLib])
AC_ARG_VAR([TAGLIB_LDFLAGS],
[linker flags for TagLib])
if test x"${prefix}" = "xNONE"; then
have_taglib_prefix="/usr/local"
else
have_taglib_prefix="${prefix}"
fi
have_taglib_includes=""
have_taglib_libs=""
want_taglib="auto"
AC_ARG_WITH([taglib],
[AS_HELP_STRING([--with-taglib=PFX],
[prefix where the TagLib header files and library are installed (default: autodetect)])],
[
case "${withval}" in
yes)
want_taglib="yes"
;;
no)
want_taglib="no"
;;
*)
have_taglib_prefix="${withval}"
want_taglib="yes"
;;
esac
]
)
AC_ARG_WITH([taglib-includes],
[AS_HELP_STRING([--with-taglib-includes=DIR],
[directory where TagLib header files are installed (optional)]) ],
[
case "${withval}" in
yes|no) ;;
*)
have_taglib_includes="${withval}"
;;
esac
]
)
AC_ARG_WITH([taglib-libs],
[AS_HELP_STRING([--with-taglib-libs=DIR],
[directory where TagLib is installed (optional)]) ],
[
case "${withval}" in
yes|no) ;;
*)
have_taglib_libs="${withval}"
;;
esac
]
)
AC_CACHE_VAL([local_cv_have_lib_taglib_opts],
[
ax_check_taglib_taglib_pc="no"
PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${have_taglib_prefix}/lib/pkgconfig"
PKG_CHECK_EXISTS([taglib], [ax_check_taglib_taglib_pc=yes])
if test -z "${TAGLIB_CFLAGS}" \
-a x"${ax_check_taglib_taglib_pc}" = "xyes"; then
TAGLIB_CFLAGS="`${PKG_CONFIG} --cflags-only-other taglib`"
fi
if test -n "${TAGLIB_CPPFLAGS}"; then
if test x"${have_taglib_includes}" != "x"; then
TAGLIB_CPPFLAGS="${TAGLIB_CPPFLAGS} -I${have_taglib_includes}"
fi
else
if test x"${have_taglib_includes}" != "x"; then
TAGLIB_CPPFLAGS="-I${have_taglib_includes}"
else
if test x"${want_taglib}" = "xauto" \
-a x"${ax_check_taglib_taglib_pc}" = "xyes"; then
TAGLIB_CPPFLAGS="`${PKG_CONFIG} --cflags-only-I taglib`"
else
TAGLIB_CPPFLAGS="-I${have_taglib_prefix}/include/taglib"
fi
fi
fi
if test -n "${TAGLIB_LDFLAGS}"; then
if test x"${have_taglib_libs}" != "x"; then
TAGLIB_LDFLAGS="-L${have_taglib_libs} ${TAGLIB_LDFLAGS}"
fi
else
if test -n "${have_taglib_libs}"; then
TAGLIB_LDFLAGS="-L${have_taglib_libs}"
else
if test x"${want_taglib}" = "xauto" \
-a x"${ax_check_taglib_taglib_pc}" = "xyes"; then
TAGLIB_LDFLAGS=" \
`${PKG_CONFIG} --libs-only-L taglib` \
`${PKG_CONFIG} --libs-only-other taglib` \
"
else
TAGLIB_LDFLAGS="-L${have_taglib_prefix}/lib"
fi
fi
fi
local_cv_have_lib_taglib_opts=yes
])
])
AC_DEFUN([AX_CHECK_TAGLIB],
[
AC_REQUIRE([_AX_CHECK_TAGLIB_OPTS])
AC_ARG_VAR([TAGLIB_LIBS],
[libraries to use for TagLib])
AC_CACHE_VAL([local_cv_have_lib_taglib],
[
local_cv_have_lib_taglib=no
if test x"${want_taglib}" != "xno"; then # want_taglib != no
PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${have_taglib_prefix}/lib/pkgconfig"
if test -z "${PKG_CONFIG}"; then
AC_MSG_ERROR([The pkg-config utility is required.], [1])
fi
dnl ####### BEGIN CHECK ######
PKG_CHECK_EXISTS([taglib $1], [
dnl ##########################
libtag_libs_autodetected=no
if test -z "${TAGLIB_LIBS}"; then
TAGLIB_LIBS="`${PKG_CONFIG} --libs-only-l taglib`"
libtag_libs_autodetected=yes
fi
ax_check_taglib_save_CXXFLAGS="${CXXFLAGS}"
ax_check_taglib_save_CPPFLAGS="${CPPFLAGS}"
ax_check_taglib_save_LDFLAGS="${LDFLAGS}"
ax_check_taglib_save_LIBS="${LIBS}"
AC_LANG_PUSH([C++])
CXXFLAGS="${CXXFLAGS} ${TAGLIB_CFLAGS}"
CPPFLAGS="${CPPFLAGS} ${TAGLIB_CPPFLAGS}"
LDFLAGS="${LDFLAGS} ${TAGLIB_LDFLAGS}"
LIBS="${TAGLIB_LIBS} ${LIBS}"
AC_CHECK_HEADER([tag.h],
[
AC_MSG_CHECKING([if TagLib works])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <tag.h>
#include <fileref.h>
]],
[[
TagLib::FileRef f(static_cast<TagLib::File *>(NULL));
]]
)],
[
AC_MSG_RESULT([yes])
local_cv_have_lib_taglib=yes
],
[
AC_MSG_RESULT([no])
LIBS="${LIBS} -lstdc++ -lz"
TAGLIB_LIBS="${TAGLIB_LIBS} -lstdc++ -lz"
AC_MSG_CHECKING([if TagLib works with -lstdc++ -lz])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <tag.h>
#include <fileref.h>
]],
[[
TagLib::FileRef f(static_cast<TagLib::File *>(NULL));
]]
)],
[
AC_MSG_RESULT([yes])
local_cv_have_lib_taglib=yes
],
[
AC_MSG_RESULT([no])
]
)
]
)
])
CXXFLAGS="${ax_check_taglib_save_CXXFLAGS}"
CPPFLAGS="${ax_check_taglib_save_CPPFLAGS}"
LDFLAGS="${ax_check_taglib_save_LDFLAGS}"
LIBS="${ax_check_taglib_save_LIBS}"
AC_LANG_POP([C++])
dnl ####### END CHECK ########
], [])
dnl ##########################
fi # want_taglib != no
])
AC_MSG_CHECKING([for TagLib])
if test x"${local_cv_have_lib_taglib}" = "xyes"; then
AC_MSG_RESULT([yes])
:
$2
else
AC_MSG_RESULT([no])
:
$3
fi
])
AC_DEFUN([AX_CHECK_TAGLIB_C],
[
AC_REQUIRE([_AX_CHECK_TAGLIB_OPTS])
AC_ARG_VAR([TAGLIB_C_LIBS],
[libraries to use for the TagLib C wrapper])
AC_CACHE_VAL([local_cv_have_lib_taglib_c],
[
local_cv_have_lib_taglib_c=no
if test x"${want_taglib}" != "xno"; then # want_taglib != no
PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${have_taglib_prefix}/lib/pkgconfig"
if test -z "${PKG_CONFIG}"; then
AC_MSG_ERROR([The pkg-config utility is required.], [1])
fi
dnl ####### BEGIN CHECK ######
PKG_CHECK_EXISTS([taglib $1], [
dnl ##########################
if test -z "${TAGLIB_C_LIBS}"; then
TAGLIB_C_LIBS="-ltag_c"
fi
ax_check_taglib_c_save_CFLAGS="${CFLAGS}"
ax_check_taglib_c_save_CPPFLAGS="${CPPFLAGS}"
ax_check_taglib_c_save_LDFLAGS="${LDFLAGS}"
ax_check_taglib_c_save_LIBS="${LIBS}"
AC_LANG_PUSH([C])
CFLAGS="${CFLAGS} ${TAGLIB_CFLAGS}"
CPPFLAGS="${CPPFLAGS} ${TAGLIB_CPPFLAGS}"
LDFLAGS="${LDFLAGS} ${TAGLIB_LDFLAGS}"
LIBS="${TAGLIB_C_LIBS} ${LIBS}"
AC_CHECK_HEADER([tag_c.h],
[
AC_MSG_CHECKING([if libtag_c works])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <tag_c.h>
]],
[[
taglib_set_string_management_enabled(0);
]]
)],
[
AC_MSG_RESULT([yes])
local_cv_have_lib_taglib_c=yes
],
[
AC_MSG_RESULT([no])
LIBS="${LIBS} -ltag -lstdc++ -lz"
TAGLIB_LIBS="${TAGLIB_LIBS} -ltag -lstdc++ -lz"
AC_MSG_CHECKING([if libtag_c works with -ltag -lstdc++ -lz])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <tag_c.h>
]],
[[
taglib_set_string_management_enabled(0);
]]
)],
[
AC_MSG_RESULT([yes])
local_cv_have_lib_taglib_c=yes
],
[
AC_MSG_RESULT([no])
]
)
]
)
])
CFLAGS="${ax_check_taglib_c_save_CFLAGS}"
CPPFLAGS="${ax_check_taglib_c_save_CPPFLAGS}"
LDFLAGS="${ax_check_taglib_c_save_LDFLAGS}"
LIBS="${ax_check_taglib_c_save_LIBS}"
AC_LANG_POP([C])
dnl ####### END CHECK ########
], [])
dnl ##########################
fi # want_taglib != no
])
AC_MSG_CHECKING([for libtag_c])
if test x"${local_cv_have_lib_taglib_c}" = "xyes"; then
AC_MSG_RESULT([yes])
:
$2
else
AC_MSG_RESULT([no])
:
$3
fi
])