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[Qemu-devel] [PATCH 07/14] provide portable HOST_LONG_BITS test
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 07/14] provide portable HOST_LONG_BITS test |
Date: |
Sun, 14 Nov 2010 12:48:55 +0100 |
Do not hardcode the list of 64-bit CPUs. Use sizeof(void *) to
compute it. Renaming it to HOST_LONG_BITS to HOST_POINTER_BITS
is left for later.
Signed-off-by: Paolo Bonzini <address@hidden>
---
configure | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/configure b/configure
index 812c41c..1bc9b85 100755
--- a/configure
+++ b/configure
@@ -1077,13 +1077,15 @@ esac
fi
-# host long bits test
-hostlongbits="32"
-case "$cpu" in
- x86_64|alpha|ia64|sparc64|ppc64|s390x)
- hostlongbits=64
- ;;
-esac
+# host long bits test, actually a pointer size test
+cat > $TMPC << EOF
+int sizeof_pointer_is_8[sizeof(void *) == 8 ? 1 : -1];
+EOF
+if compile_object; then
+hostlongbits=64
+else
+hostlongbits=32
+fi
##########################################
--
1.7.2.3
- [Qemu-devel] [PATCH 00/14] preparation for autoconfy configure script, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 01/14] default compilation tools to environment variables, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 02/14] default make and install to environment variables, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 03/14] move feature variables to the top, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 04/14] fix sparse support (?), Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 05/14] test cc with the complete set of chosen flags, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 06/14] do not pass bogus $(SRC_PATH) include paths to cc during configure, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 07/14] provide portable HOST_LONG_BITS test,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 08/14] fix spelling of $pkg_config, move default together with other cross tools, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 09/14] do not default to non-prefixed pkg-config when cross compiling, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 10/14] reorganize sdl-config tests, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 11/14] assume existence of "ln -sf", Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 12/14] simplify source_path handling, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 13/14] move --srcdir detection earlier, Paolo Bonzini, 2010/11/14
- [Qemu-devel] [PATCH 14/14] remove HOST_CC mention from roms/{sea, vga}bios/config.mak, Paolo Bonzini, 2010/11/14
- Re: [Qemu-devel] [PATCH 00/14] preparation for autoconfy configure script, Blue Swirl, 2010/11/14