Commit 4e8e6d70 authored by Niels Möller's avatar Niels Möller

(ABI): Detect which ABI the compiler is using.

On x86_64, also check for __arch64__.

Rev: nettle/ChangeLog:1.68
Rev: nettle/configure.ac:1.16
parent 69c38ef5
2010-03-29 Niels Mller <nisse@lysator.liu.se>
* configure.ac (ABI): Detect which ABI the compiler is using.
On x86_64, also check for __arch64__.
2010-03-28 Niels Mller <nisse@lysator.liu.se>
* configure.ac (asm_path): For x86_64, check if compiler is
......
......@@ -116,21 +116,19 @@ if test x$enable_dependency_tracking = xyes ; then
])
fi
# Select assembler code
asm_path=
# Figure out ABI. Currently, configurable only be setting CFLAGS.
ABI=standard
case "$host_cpu" in
[i?86* | k[5-8]* | pentium* | athlon])
asm_path=x86
;;
[x86_64 | amd64])
AC_TRY_COMPILE([
#if defined(__i386__)
#error 32-bit x86
#if defined(__x86_64__) || defined(__arch64__)
#error 64-bit x86
#endif
], [], [
asm_path=x86_64
ABI=32
], [
asm_path=x86
ABI=64
])
;;
*sparc*)
......@@ -139,11 +137,38 @@ case "$host_cpu" in
#error 64-bit sparc
#endif
], [], [
asm_path=sparc32
ABI=32
], [
asm_path=sparc64
ABI=64
])
;;
esac
if test "x$ABI" != xstandard ; then
AC_MSG_NOTICE([Compiler uses $ABI-bit ABI. To change, set CFLAGS.])
AC_MSG_NOTICE([You may want to set libdir!])
fi
# Select assembler code
asm_path=
case "$host_cpu" in
[i?86* | k[5-8]* | pentium* | athlon])
asm_path=x86
;;
[x86_64 | amd64])
if test "x$ABI" = 64 ; then
asm_path=x86_64
else
asm_path=x86
fi
;;
*sparc*)
if test "x$ABI" = 64 ; then
asm_path=sparc64
else
asm_path=sparc32
fi
;;
*)
enable_assembler=no
;;
......
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