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configure: Check if building against a x86/x64 architecture

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This allows us to include compiler flags specific for them, such as MMX/SSE.
This commit is contained in:
Martin Willi
2015-06-29 17:32:14 +02:00
parent bf86fd7ccc
commit 42459b41f0
1 changed files with 16 additions and 0 deletions
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configure.ac
+16
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@@ -839,6 +839,22 @@ AC_COMPILE_IFELSE(
] ]
) )
AC_MSG_CHECKING([x86/x64 target])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[], [[
#if !defined(__i386__) && !defined(__x86_64__)
# error not on x86/x64
#endif
]])],
[
x86x64=true
AC_MSG_RESULT([yes])
],
[AC_MSG_RESULT([no])]
)
AM_CONDITIONAL(USE_X86X64, [test "x$x86x64" = xtrue])
if test x$printf_hooks = xvstr; then if test x$printf_hooks = xvstr; then
AC_CHECK_LIB([vstr],[main],[LIBS="$LIBS"],[AC_MSG_ERROR([Vstr string library not found])],[]) AC_CHECK_LIB([vstr],[main],[LIBS="$LIBS"],[AC_MSG_ERROR([Vstr string library not found])],[])
AC_DEFINE([USE_VSTR], [], [use Vstr string library for printf hooks]) AC_DEFINE([USE_VSTR], [], [use Vstr string library for printf hooks])