diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 06c0b790..04dee7e2 100644 --- a/configure.ac +++ b/configure.ac @@ -964,6 +964,34 @@ if test "$gcry_cv_gcc_amd64_platform_as_ok" = "yes" ; then fi +# +# Check whether GCC assembler supports features needed for our ARM +# implementations +# +AC_CACHE_CHECK([whether GCC assembler is compatible for ARM assembly implementations], + [gcry_cv_gcc_arm_platform_as_ok], + [gcry_cv_gcc_arm_platform_as_ok=no + AC_COMPILE_IFELSE([AC_LANG_SOURCE( + [[__asm__( + /* Test if assembler supports UAL syntax. */ + ".syntax unified\n\t" + ".thumb\n\t" /* thumb-2 in UAL, thumb-1 otherwise. */ + ".code 16\n\t" + /* Following causes error if assembler ignored '.syntax unified'. */ + "asmfunc:\n\t" + "add.w %r0, %r4, %r8, ror #12;\n\t" + + /* Test if '.type' and '.size' are supported. */ + ".size asmfunc,.-asmfunc;\n\t" + ".type asmfunc,%function;\n\t" + );]])], + [gcry_cv_gcc_arm_platform_as_ok=yes])]) +if test "$gcry_cv_gcc_arm_platform_as_ok" = "yes" ; then + AC_DEFINE(HAVE_COMPATIBLE_GCC_ARM_PLATFORM_AS,1, + [Defined if underlying assembler is compatible with ARM assembly implementations]) +fi + + ####################################### #### Checks for library functions. #### ####################################### @@ -1284,6 +1312,10 @@ if test "$found" = "1" ; then # Build with the assembly implementation GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael-amd64.lo" ;; + arm*-*-*) + # Build with the assembly implementation + GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael-armv6.lo" + ;; esac fi |