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dnl Checks for libfmos required headers and functions
dnl
dnl Version: 20240520
dnl Function to detect if libfmos is available
dnl ac_libfmos_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBFMOS_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libfmos" = xno],
[ac_cv_libfmos=no],
[ac_cv_libfmos=check
dnl Check if the directory provided as parameter exists
dnl For both --with-libfmos which returns "yes" and --with-libfmos= which returns ""
dnl treat them as auto-detection.
AS_IF(
[test "x$ac_cv_with_libfmos" != x && test "x$ac_cv_with_libfmos" != xauto-detect && test "x$ac_cv_with_libfmos" != xyes],
[AX_CHECK_LIB_DIRECTORY_EXISTS([libfmos])],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libfmos],
[libfmos >= 20191217],
[ac_cv_libfmos=yes],
[ac_cv_libfmos=check])
])
AS_IF(
[test "x$ac_cv_libfmos" = xyes],
[ac_cv_libfmos_CPPFLAGS="$pkg_cv_libfmos_CFLAGS"
ac_cv_libfmos_LIBADD="$pkg_cv_libfmos_LIBS"])
])
AS_IF(
[test "x$ac_cv_libfmos" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libfmos.h])
AS_IF(
[test "x$ac_cv_header_libfmos_h" = xno],
[ac_cv_libfmos=no],
[ac_cv_libfmos=yes
AX_CHECK_LIB_FUNCTIONS(
[libfmos],
[fmos],
[[libfmos_get_version],
[libfmos_adc_decompress],
[libfmos_lzfse_decompress],
[libfmos_lzvn_decompress]])
ac_cv_libfmos_LIBADD="-lfmos"])
])
AX_CHECK_LIB_DIRECTORY_MSG_ON_FAILURE([libfmos])
])
AS_IF(
[test "x$ac_cv_libfmos" = xyes],
[AC_DEFINE(
[HAVE_LIBFMOS],
[1],
[Define to 1 if you have the `fmos' library (-lfmos).])
])
AS_IF(
[test "x$ac_cv_libfmos" = xyes],
[AC_SUBST(
[HAVE_LIBFMOS],
[1]) ],
[AC_SUBST(
[HAVE_LIBFMOS],
[0])
])
])
dnl Function to detect if libfmos dependencies are available
AC_DEFUN([AX_LIBFMOS_CHECK_LOCAL],
[dnl No additional checks.
ac_cv_libfmos_CPPFLAGS="-I../libfmos -I\$(top_srcdir)/libfmos";
ac_cv_libfmos_LIBADD="../libfmos/libfmos.la";
ac_cv_libfmos=local
])
dnl Function to detect how to enable libfmos
AC_DEFUN([AX_LIBFMOS_CHECK_ENABLE],
[AX_COMMON_ARG_WITH(
[libfmos],
[libfmos],
[search for libfmos in includedir and libdir or in the specified DIR, or no if to use local version],
[auto-detect],
[DIR])
dnl Check for a shared library version
AX_LIBFMOS_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libfmos" != xyes],
[AX_LIBFMOS_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBFMOS],
[1],
[Define to 1 if the local version of libfmos is used.])
AC_SUBST(
[HAVE_LOCAL_LIBFMOS],
[1])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBFMOS],
[test "x$ac_cv_libfmos" = xlocal])
AS_IF(
[test "x$ac_cv_libfmos_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBFMOS_CPPFLAGS],
[$ac_cv_libfmos_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libfmos_LIBADD" != "x"],
[AC_SUBST(
[LIBFMOS_LIBADD],
[$ac_cv_libfmos_LIBADD])
])
AS_IF(
[test "x$ac_cv_libfmos" = xyes],
[AC_SUBST(
[ax_libfmos_pc_libs_private],
[-lfmos])
])
AS_IF(
[test "x$ac_cv_libfmos" = xyes],
[AC_SUBST(
[ax_libfmos_spec_requires],
[libfmos])
AC_SUBST(
[ax_libfmos_spec_build_requires],
[libfmos-devel])
])
])
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