-AC_DEFUN(ah_HAVE_GETCONF,
+AC_DEFUN([ah_HAVE_GETCONF],
[AC_ARG_WITH(getconf,
[ --with-getconf Enable automagical buildtime configuration],
[if test "$withval" = "yes"; then
])
dnl ah_GET_CONF(variable, value ..., [default])
-AC_DEFUN(ah_GET_GETCONF,
+AC_DEFUN([ah_GET_GETCONF],
[AC_REQUIRE([ah_HAVE_GETCONF])
if test ! -z "$GETCONF";then
old_args="[$]@"
eval $1="$3"
fi
])
-AC_DEFUN(ah_NUM_CPUS,
+AC_DEFUN([ah_NUM_CPUS],
[AC_MSG_CHECKING([number of cpus])
AC_ARG_WITH(cpus,
[ --with-cpus The number of cpus to be used for building(see --with-procs, default 1)],
AC_MSG_RESULT([$ah_NUM_CPUS_msg])
AC_SUBST(NUM_CPUS)
])
-AC_DEFUN(ah_PROC_MULTIPLY,
+AC_DEFUN([ah_PROC_MULTIPLY],
[AC_REQUIRE([ah_NUM_CPUS])
AC_MSG_CHECKING([processor multiplier])
AC_ARG_WITH(proc-multiply,
AC_SUBST(PROC_MULTIPLY)
])
-AC_DEFUN(ah_NUM_PROCS,
+AC_DEFUN([ah_NUM_PROCS],
[AC_REQUIRE([ah_PROC_MULTIPLY])
AC_REQUIRE([ah_NUM_CPUS])
AC_MSG_CHECKING([number of processes to run during make])
AC_SUBST(NUM_PROCS)
])
-AC_DEFUN(ah_GLIBC_VER,
- [AC_MSG_CHECKING([glibc version])
- dummy=if$$
- cat <<_GLIBC_>$dummy.c
-#include <features.h>
-#include <stdio.h>
-#include <stdlib.h>
-int main(int argc, char **argv) { printf("libc6.%d",__GLIBC_MINOR__); exit(0); }
-_GLIBC_
- ${CC-cc} $dummy.c -o $dummy
- if test "$?" = 0; then
- GLIBC_VER=`./$dummy`
- AC_MSG_RESULT([$GLIBC_VER])
- GLIBC_VER="-$GLIBC_VER"
+AC_DEFUN([ah_GCC3DEP],[
+ AC_MSG_CHECKING(if $CXX -MD works)
+ touch gcc3dep.cc
+ ${CXX-c++} -MD -o gcc3dep_test.o -c gcc3dep.cc
+ rm -f gcc3dep.cc gcc3dep_test.o
+ if test -e gcc3dep.d; then
+ rm -f gcc3dep.d
+ GCC_MD=input
+ GCC3DEP=
+ elif test -e gcc3dep_test.d; then
+ rm -f gcc3dep_test.d
+ GCC_MD=output
+ GCC3DEP=yes
else
- AC_MSG_WARN([cannot determine GNU C library minor version number])
+ AC_MSG_ERROR(no)
fi
- rm -f $dummy $dummy.c
- AC_SUBST(GLIBC_VER)
-])
-
-AC_DEFUN(ah_LIBSTDCPP_VER,
- [AC_MSG_CHECKING([libstdc++ version])
- dummy=if$$
- cat <<_LIBSTDCPP_>$dummy.cc
-#include <features.h>
-#include <stdio.h>
-#include <stdlib.h>
-int main(int argc, char **argv) { exit(0); }
-_LIBSTDCPP_
- ${CXX-c++} $dummy.cc -o $dummy
-
- if test "$?" = 0; then
- soname=`objdump -p ./$dummy |grep NEEDED|grep libstd`
- LIBSTDCPP_VER=`echo $soname | sed -e 's/.*NEEDED.*libstdc++-libc.*-\(.*\).so.\(.*\)/\2-\1/'`
- fi
- rm -f $dummy $dummy.cc
-
- if test -z "$LIBSTDCPP_VER"; then
- AC_MSG_WARN([cannot determine standard C++ library version number])
- else
- AC_MSG_RESULT([$LIBSTDCPP_VER])
- LIBSTDCPP_VER="-$LIBSTDCPP_VER"
- fi
- AC_SUBST(LIBSTDCPP_VER)
+ AC_MSG_RESULT([yes, for $GCC_MD])
+ AC_SUBST(GCC3DEP)
])