54 lines
1.8 KiB
Plaintext
54 lines
1.8 KiB
Plaintext
dnl escape "$0x" below using the m4 quadrigaph @S|@, and escape it again with a \ for the shell.
|
|
AC_DEFUN([SECP_64BIT_ASM_CHECK],[
|
|
AC_MSG_CHECKING(for x86_64 assembly availability)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdint.h>]],[[
|
|
uint64_t a = 11, tmp;
|
|
__asm__ __volatile__("movq \@S|@0x100000000,%1; mulq %%rsi" : "+a"(a) : "S"(tmp) : "cc", "%rdx");
|
|
]])],[has_64bit_asm=yes],[has_64bit_asm=no])
|
|
AC_MSG_RESULT([$has_64bit_asm])
|
|
])
|
|
|
|
AC_DEFUN([SECP_VALGRIND_CHECK],[
|
|
if test x"$has_valgrind" != x"yes"; then
|
|
CPPFLAGS_TEMP="$CPPFLAGS"
|
|
CPPFLAGS="$VALGRIND_CPPFLAGS $CPPFLAGS"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <valgrind/memcheck.h>
|
|
]], [[
|
|
#if defined(NVALGRIND)
|
|
# error "Valgrind does not support this platform."
|
|
#endif
|
|
]])], [has_valgrind=yes; AC_DEFINE(HAVE_VALGRIND,1,[Define this symbol if valgrind is installed, and it supports the host platform])])
|
|
fi
|
|
])
|
|
|
|
dnl SECP_TRY_APPEND_CFLAGS(flags, VAR)
|
|
dnl Append flags to VAR if CC accepts them.
|
|
AC_DEFUN([SECP_TRY_APPEND_CFLAGS], [
|
|
AC_MSG_CHECKING([if ${CC} supports $1])
|
|
SECP_TRY_APPEND_CFLAGS_saved_CFLAGS="$CFLAGS"
|
|
CFLAGS="$1 $CFLAGS"
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])], [flag_works=yes], [flag_works=no])
|
|
AC_MSG_RESULT($flag_works)
|
|
CFLAGS="$SECP_TRY_APPEND_CFLAGS_saved_CFLAGS"
|
|
if test x"$flag_works" = x"yes"; then
|
|
$2="$$2 $1"
|
|
fi
|
|
unset flag_works
|
|
AC_SUBST($2)
|
|
])
|
|
|
|
dnl SECP_SET_DEFAULT(VAR, default, default-dev-mode)
|
|
dnl Set VAR to default or default-dev-mode, depending on whether dev mode is enabled
|
|
AC_DEFUN([SECP_SET_DEFAULT], [
|
|
if test "${enable_dev_mode+set}" != set; then
|
|
AC_MSG_ERROR([[Set enable_dev_mode before calling SECP_SET_DEFAULT]])
|
|
fi
|
|
if test x"$enable_dev_mode" = x"yes"; then
|
|
$1="$3"
|
|
else
|
|
$1="$2"
|
|
fi
|
|
])
|