$1([i[[3-6]]86,*], [x86], [sysv])
$1([x86_64,cygwin], [amd64], [win])
$1([x86_64,*], [amd64], [sysv])
- $1([arm,*-gnueabi | arm,*-gnueabihf | dnl
- armv*,*-gnueabi | armv*,*-gnueabihf], [armel], [gnueabi])])
+ $1([arm,* | armv*,*], [armel], [std])
+ $1([aarch64,*], [arm64], [std])])
dnl A utility to clear the `seen' flags, used so as to process each CPU or
dnl ABI once.
*) CPUFAM=nil ABI=nil ;;
esac
-dnl Now check the assembler. We may have target-specific requirements here,
-dnl so we couldn't do this any earlier.
+dnl Now check the assembler. We have target-specific requirements here, so
+dnl we couldn't do this any earlier.
AC_CACHE_CHECK(
[whether the assembler is likely to work], [mdw_cv_gnuish_as],
[AC_LANG_PUSH([CPPAS])
.extern bar
mymac]])],
[mdw_cv_gnuish_as=yes], [mdw_cv_gnuish_as=no])
+ case $CPUFAM in
+ x86 | amd64)
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+ .text
+ .arch pentium4
+ .intel_syntax noprefix
+ .globl foo
+foo:
+ adcd var, 0
+ ret
+ .data
+var: .long 1
+ ]])],
+ [:], [mdw_cv_gnuish_as=no])
+ ;;
+ esac
AC_LANG_POP([CPPAS])])
AM_CONDITIONAL([GNUISH_AS], [test $mdw_cv_gnuish_as = yes])
if test $mdw_cv_gnuish_as = no; then CPUFAM=nil ABI=nil; fi
])
dnl The maths library.
-mdw_ORIG_LIBS=$LIBS LIBS=
+mdw_ORIG_LIBS=$LIBS LIBS=$CATACOMB_LIBS
AC_SEARCH_LIBS([log], [m])
AC_SEARCH_LIBS([sqrt], [m])
-AC_SUBST([MATHLIBS], [$LIBS])
-LIBS=$mdw_ORIG_LIBS
+CATACOMB_LIBS=$LIBS LIBS=$mdw_ORIG_LIBS
+
+dnl Logging is weird under Termux. Unfortunately, it involves macros, so we
+dnl have to do this the hard way.
+AC_CACHE_CHECK(
+ [library needed for syslog], [mdw_cv_syslog_lib],
+ [mdw_ORIG_LIBS=$LIBS LIBS=
+ for i in 0 1; do
+ AC_TRY_LINK([#include <syslog.h>],
+ [openlog("test", LOG_PID, LOG_DAEMON);
+ syslog(LOG_ERR, "this is a test");],
+ [ok=t], [ok=nil])
+ case $i,$ok in
+ *,t) mdw_cv_syslog_lib=${LIBS:-none}; break ;;
+ 0,nil) LIBS="-llog" ;;
+ 1,nil) AC_MSG_ERROR("failed to link test program") ;;
+ esac
+ done
+ LIBS=$mdw_ORIG_LIBS])
+case $mdw_cv_syslog_lib in
+ none) LOGLIBS= ;;
+ *) LOGLIBS=$mdw_cv_syslog_lib ;;
+esac
+AC_SUBST([LOGLIBS])
dnl Find out whether very long integer types are available.
AC_CHECK_HEADERS([stdint.h])
dnl Memory locking support.
AC_CHECK_FUNCS([mlock])
+dnl See if we can find Valgrind's header files.
+AC_CHECK_HEADER([valgrind/memcheck.h],
+ AC_DEFINE([HAVE_VALGRIND_H], [1],
+ [Define if the Valgrind header files are available.])
+ [])
+
dnl Set the master libraries we need.
AC_SUBST([CATACOMB_LIBS])