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configure: warn about MIT-licensed code if using ARM SIMD/NEON optimizations.

This commit is contained in:
Ryan C. Gordon 2019-10-24 21:41:03 -04:00
parent 72f8044a42
commit 0702954909
1 changed files with 19 additions and 0 deletions
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19
configure.ac
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@ -1335,6 +1335,7 @@ AC_HELP_STRING([--enable-arm-simd], [use SIMD assembly blitters on ARM [[default
AC_DEFINE(SDL_ARM_SIMD_BLITTERS)
dnl SOURCES="$SOURCES $srcdir/src/video/arm/pixman-arm-simd*.c"
SOURCES="$SOURCES $srcdir/src/video/arm/pixman-arm-simd*.S"
WARN_ABOUT_ARM_SIMD_ASM_MIT="yes"
fi
fi
}
@ -1373,6 +1374,7 @@ AC_HELP_STRING([--enable-arm-neon], [use NEON assembly blitters on ARM [[default
AC_DEFINE(SDL_ARM_NEON_BLITTERS)
dnl SOURCES="$SOURCES $srcdir/src/video/arm/pixman-arm-neon*.c"
SOURCES="$SOURCES $srcdir/src/video/arm/pixman-arm-neon*.S"
WARN_ABOUT_ARM_NEON_ASM_MIT="yes"
fi
fi
}
@ -4324,6 +4326,23 @@ if test x$have_fcitx_frontend_h_hdr = xyes; then
else
SUMMARY="${SUMMARY}Using fcitx : NO\n"
fi
if test x$WARN_ABOUT_ARM_SIMD_ASM_MIT = xyes; then
SUMMARY="${SUMMARY}\nSDL is being built with ARM SIMD optimizations, which\n"
SUMMARY="${SUMMARY}uses code licensed under the MIT license. If this is a\n"
SUMMARY="${SUMMARY}problem, please disable that code by rerunning the\n"
SUMMARY="${SUMMARY}configure script with:\n"
SUMMARY="${SUMMARY}\n --disable-arm-simd\n"
fi
if test x$WARN_ABOUT_ARM_NEON_ASM_MIT = xyes; then
SUMMARY="${SUMMARY}\nSDL is being built with ARM NEON optimizations, which\n"
SUMMARY="${SUMMARY}uses code licensed under the MIT license. If this is a\n"
SUMMARY="${SUMMARY}problem, please disable that code by rerunning the\n"
SUMMARY="${SUMMARY}configure script with:\n"
SUMMARY="${SUMMARY}\n --disable-arm-neon\n"
fi
AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
AC_OUTPUT