mirror of
https://gitlab.com/mbunkus/mkvtoolnix.git
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4d5a052472
Older versions suffered from issues such as segmentation faults on startup with optimization levels higher than `-O2` or with `-fipa-icf`. v7.2.0 is OK, though.
88 lines
2.8 KiB
Plaintext
88 lines
2.8 KiB
Plaintext
dnl
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dnl Debugging, profiling and optimization options
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dnl
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AC_ARG_ENABLE([debug],
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AC_HELP_STRING([--enable-debug],[compile with debug information (no)]),
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[],
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[enable_debug=no])
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AC_ARG_ENABLE([profiling],
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AC_HELP_STRING([--enable-profiling],[compile with profiling information (no)]),
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[],
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[enable_profiling=no])
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AC_ARG_ENABLE([optimization],
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AC_HELP_STRING([--enable-optimization],[compile with optimization: -O3 (yes)]),
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[],
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[if test x"$enable_debug" = xyes ; then
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enable_optimization=no
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else
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enable_optimization=yes
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fi])
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DEBUG_CFLAGS=""
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OPTIMIZATION_CFLAGS=""
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PROFILING_CFLAGS=""
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PROFILING_LIBS=""
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if test x"$enable_debug" = xyes ; then
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DEBUG_CFLAGS="-g -DDEBUG"
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opt_features_yes="$opt_features_yes\n * debugging information"
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else
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opt_features_no="$opt_features_no\n * debugging information"
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fi
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if test x"$enable_optimization" = xyes; then
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if test x"$ac_cv_compiler_is_clang" = xyes && ! check_version 3.8.0 $ac_cv_compiler_version; then
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opt_features_no="$opt_features_no\n * full optimization: due to bug 11962 in LLVM/clang only -O1 will be used for optimization"
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OPTIMIZATION_CFLAGS="-O1"
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elif test "x$ac_cv_mingw32" = "xyes" -a "x$MINGW_PROCESSOR_ARCH" = "xx86" && check_version 5.1.0 $ac_cv_compiler_version && ! check_version 7.2.0 $ac_cv_compiler_version; then
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OPTIMIZATION_CFLAGS="-O2 -fno-ipa-icf"
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opt_features_no="$opt_features_no\n * full optimization: due to an issue in mingw g++ >= 5.1.0 and < 7.2.0 full optimization cannot be used"
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else
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OPTIMIZATION_CFLAGS="-O3"
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fi
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opt_features_yes="$opt_features_yes\n * compiler optimizations ($OPTIMIZATION_CFLAGS)"
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else
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opt_features_no="$opt_features_no\n * compiler optimizations"
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fi
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if test x"$enable_profiling" = xyes ; then
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PROFILING_CFLAGS="-pg"
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PROFILING_LIBS="-pg"
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opt_features_yes="$opt_features_yes\n * profiling support"
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else
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opt_features_no="$opt_features_no\n * profiling support"
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fi
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AC_ARG_ENABLE([addrsan],
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AC_HELP_STRING([--enable-addrsan],[compile with address sanitization turned on (no)]),
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[ADDRSAN=yes],[ADDRSAN=no])
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if test x"$ADDRSAN" = xyes ; then
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opt_features_yes="$opt_features_yes\n * development technique 'address sanitizer'"
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else
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opt_features_no="$opt_features_no\n * development technique 'address sanitizer'"
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fi
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AC_ARG_ENABLE([ubsan],
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AC_HELP_STRING([--enable-ubsan],[compile with sanitization for undefined behavior turned on (no)]),
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[UBSAN=yes],[UBSAN=no])
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if test x"$UBSAN" = xyes ; then
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opt_features_yes="$opt_features_yes\n * development technique 'undefined behavior sanitizer'"
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else
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opt_features_no="$opt_features_no\n * development technique 'undefined behavior sanitizer'"
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fi
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AC_SUBST(DEBUG_CFLAGS)
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AC_SUBST(PROFILING_CFLAGS)
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AC_SUBST(PROFILING_LIBS)
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AC_SUBST(OPTIMIZATION_CFLAGS)
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AC_SUBST(ADDRSAN)
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AC_SUBST(UBSAN)
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