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authorRyan C. Gordon <icculus@icculus.org>2019-10-24 21:41:03 -0400
committerRyan C. Gordon <icculus@icculus.org>2019-10-24 21:41:03 -0400
commit91539a1f6917f044f29da827987807516f76050e (patch)
tree336bd34d8319d6d7eb43e509e2794ac49495e36e
parente11544c11b6d92b69d7f1525ea65e94c16878418 (diff)
configure: warn about MIT-licensed code if using ARM SIMD/NEON optimizations.
-rw-r--r--configure.ac19
1 files changed, 19 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index d8c18ec61c..1aea11fbd4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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