Several refinements:
- check for pre-ANSI preprocessor (needed by operator.c)
- SCO_SV shared library support (Lance)
- improved AIX shared library support (Vlad & Manus)
- finally fixed --with-readline=DIRECOTRY, using LDFLAGS
diff --git a/configure.in b/configure.in
index f74651c..a5e34d7 100644
--- a/configure.in
+++ b/configure.in
@@ -107,6 +107,15 @@
AC_AIX
AC_MINIX
+# check for ANSI or K&R ("traditional") preprocessor
+AC_MSG_CHECKING(for C preprocessor type)
+AC_TRY_COMPILE([
+#define spam(name, doc) {#name, &name, #name "() -- " doc}
+int foo;
+struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
+], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
+AC_MSG_RESULT($cpp_type)
+
# checks for header files
AC_HEADER_STDC
AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h ncurses.h \
@@ -121,6 +130,13 @@
AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
AC_MSG_RESULT($was_it_defined)
+# Add some code to confdefs.h so that the test for off_t works on SCO
+cat >> confdefs.h <<\EOF
+#if defined(SCO_DS)
+#undef _OFF_T
+#endif
+EOF
+
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
@@ -152,7 +168,7 @@
if test -z "$LDSHARED"
then
case $ac_sys_system/$ac_sys_release in
- AIX*) LDSHARED="ld_so_aix";;
+ AIX*) LDSHARED="ld_so_aix \$(CC)";;
IRIX*) LDSHARED="ld -shared";;
SunOS/4*) LDSHARED="ld";;
SunOS/5*) LDSHARED="ld -G";;
@@ -162,6 +178,7 @@
Linux*) LDSHARED="gcc -shared";;
FreeBSD*) LDSHARED="ld -Bshareable";;
NeXT|next/3*) LDSHARED="ld -u libsys_s";;
+ SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
*) LDSHARED="ld";;
esac
fi
@@ -178,6 +195,7 @@
fi;;
Linux*) CCSHARED="-fpic";;
FreeBSD*) CCSHARED="-fpic";;
+ SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
esac
fi
AC_MSG_RESULT($CCSHARED)
@@ -190,6 +208,7 @@
AIX*) LINKFORSHARED="-Wl,-bE:python.exp";;
hp*|HP*) LINKFORSHARED="-Wl,-E";;
Linux*) LINKFORSHARED="-rdynamic";;
+ SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
esac
fi
AC_MSG_RESULT($LINKFORSHARED)
@@ -216,14 +235,12 @@
LIBS="$withval $LIBS"
], AC_MSG_RESULT(no))
-# XXX need to check whether libreadline.a actually exists there!
-# XXX Also, on some systems, it's libreadline.so...
AC_MSG_CHECKING(for --with-readline)
AC_ARG_WITH(readline, [--with-readline[=DIRECTORY] use GNU readline library], [
AC_MSG_RESULT($withval)
AC_DEFINE(WITH_READLINE)
if test -d "$withval"
-then LIBS="$LIBS -L$withval"
+then LDFLAGS="$LDFLAGS -L$withval"
fi
termcap=
AC_CHECK_LIB(termcap, tgetent, [termcap=termcap], [
@@ -245,7 +262,7 @@
AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [
AC_MSG_RESULT($withval)
if test -d "$withval"
-then LIBS="$LIBS -L$withval"
+then LDFLAGS="$LDFLAGS -L$withval"
fi
AC_DEFINE(_REENTRANT)
AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
@@ -278,7 +295,7 @@
AC_DEFINE(WITH_SGI_DL)
dldir=$withval
if test -d "$dldir"
-then LIBS="$LIBS -L$dldir"
+then LDFLAGS="$LDFLAGS -L$dldir"
else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
fi
DLINCLDIR=${dldir}
@@ -291,7 +308,7 @@
dldir=`echo "$withval" | sed 's/,.*//'`
dlddir=`echo "$withval" | sed 's/.*,//'`
if test -d "$dldir" -a -d "$dlddir"
-then LIBS="$LIBS -L$dldir -L$dlddir"
+then LDFLAGS="$LDFLAGS -L$dldir -L$dlddir"
else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
fi
DLINCLDIR=${dldir}