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https://gitlab.com/mbunkus/mkvtoolnix.git
synced 2024-12-25 12:27:21 +00:00
39 lines
719 B
Plaintext
39 lines
719 B
Plaintext
dnl
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dnl Check for the fmt library
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dnl
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AC_CACHE_CHECK([fmt],[ac_cv_fmt],[
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AC_LANG_PUSH(C++)
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ac_save_CXXFLAGS="$CXXFLAGS"
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ac_save_LIBS="$LIBS"
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CXXFLAGS="$STD_CXX $CXXFLAGS"
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LIBS="$LIBS -lfmt"
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AC_TRY_COMPILE([
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#include <fmt/format.h>
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#include <fmt/ostream.h>
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#if !defined(FMT_VERSION) || (FMT_VERSION < 60100)
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#error fmtlib is too old, need 6.1.0 or later
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#endif
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],[
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fmt::format("{0:02}", fmt::to_string(4254));
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],[ac_cv_fmt=yes],[ac_cv_fmt=no])
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CXXFLAGS="$ac_save_CXXFLAGS"
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LIBS="$ac_save_LIBS"
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AC_LANG_POP
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])
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if test x"$ac_cv_fmt" = xyes; then
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FMT_INTERNAL=no
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else
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AC_MSG_NOTICE([Using the internal version of fmt])
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FMT_INTERNAL=yes
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fi
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AC_SUBST(FMT_INTERNAL)
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