diff options
Diffstat (limited to 'src/configure.in')
| -rw-r--r-- | src/configure.in | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/configure.in b/src/configure.in index 42a5fd5714..489b82ad7e 100644 --- a/src/configure.in +++ b/src/configure.in @@ -233,6 +233,39 @@ AC_SUBST(PKINIT_CRYPTO_IMPL) AC_SUBST(PKINIT_CRYPTO_IMPL_CFLAGS) AC_SUBST(PKINIT_CRYPTO_IMPL_LIBS) +AC_ARG_ENABLE([aesni], +AC_HELP_STRING([--disable-aesni],[Do not build with AES-NI support]), , +enable_aesni=check) +if test "$CRYPTO_IMPL" = builtin -a "x$enable_aesni" != xno; then + case "$host" in + i686-*) + aesni_flags="-f elf32" + aesni_obj=iaesx86.o + ;; + x86_64-*) + # All Unix-like platforms need -D__linux__ for iaesx64.s to + # handle the System V x86-64 calling convention. + aesni_flags="-D__linux__ -f elf64" + aesni_obj=iaesx64.o + ;; + esac + if test "x$aesni_obj" != x; then + AC_CHECK_PROG(YASM,yasm,yasm) + AC_CHECK_HEADERS(cpuid.h) + if test x"$YASM" != x -a "x$ac_cv_header_cpuid_h" = xyes; then + AESNI_OBJ=$aesni_obj + AESNI_FLAGS=$aesni_flags + AC_DEFINE(AESNI,1,[Define if AES-NI support is enabled]) + AC_MSG_NOTICE([Building with AES-NI support]) + fi + fi + if test "x$enable_aesni" = xyes -a "x$AESNI_OBJ" = x; then + AC_MSG_ERROR([AES-NI support requested but cannot be built]) + fi +fi +AC_SUBST(AESNI_OBJ) +AC_SUBST(AESNI_FLAGS) + # --with-kdc-kdb-update makes the KDC update the database with last request # information and failure information. |