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https://gitlab.com/mbunkus/mkvtoolnix.git
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8a2da1a252
gcc's implementation of the C++17 file system library doesn't support UNC paths of style `\\?\…` on Windows. There doesn't seem to be any progress towards implementing support for it. Fixes #3058. See also #2916.
56 lines
1.3 KiB
Plaintext
56 lines
1.3 KiB
Plaintext
# boost's headers must be present.
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AX_BOOST_BASE([1.66.0])
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AC_MSG_CHECKING([for Boost's multi-precision library with GMP backend])
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saved_CPPFLAGS="$CPPFLAGS"
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saved_LDFLAGS="$LDFLAGS"
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saved_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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export LDFLAGS
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LIBS="$LIBS -lgmp"
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export LIBS
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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#include <boost/multiprecision/gmp.hpp>
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]],
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[[
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boost::multiprecision::mpz_int i{42};
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boost::multiprecision::mpq_rational r{42, 54};
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]])
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],[am_cv_bmp_gmp=yes],[am_cv_bmp_gmp=no])
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CPPFLAGS="$saved_CPPFLAGS"
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LDFLAGS="$saved_LDFLAGS"
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LIBS="$saved_LIBS"
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if test "x$am_cv_bmp_gmp" != xyes; then
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AC_MSG_RESULT([no: a test program for Boost's multi-precision library with GMP backend could not be linked, probably because the gmp library wasn't found])
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exit 1
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fi
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AC_MSG_RESULT([yes])
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# boost::system must be present.
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AX_BOOST_SYSTEM()
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# boost::filesystem must be present.
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AX_BOOST_FILESYSTEM()
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if test x"$ax_cv_boost_filesystem" != "xyes"; then
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AC_MSG_ERROR(The Boost Filesystem Library was not found.)
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fi
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if test x"$ax_cv_boost_system" != "xyes"; then
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AC_MSG_ERROR(The Boost System Library was not found.)
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fi
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AX_BOOST_CHECK_HEADERS([boost/operators.hpp],,[
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AC_MSG_ERROR([Boost's Operators library is required but wasn't found])
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])
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