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configure: generalise 64-bit test

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2012-10-23 23:33:44 +01:00
parent c44cef978b
commit d4c99513f4
1 changed files with 9 additions and 2 deletions
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11
configure vendored
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@ -2668,13 +2668,20 @@ EOF
check_host_cflags -std=c99
check_host_cflags -Wall
check_64bit(){
arch32=$1
arch64=$2
expr=$3
check_code cc "" "int test[2*($expr) - 1]" &&
subarch=$arch64 || subarch=$arch32
}
case "$arch" in
alpha|ia64|mips|parisc|sparc)
spic=$shared
;;
x86)
subarch="x86_32"
check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
check_64bit x86_32 x86_64 'sizeof(void *) > 4'
if test "$subarch" = "x86_64"; then
spic=$shared
fi