Added initializer to quiet gcc warning. Added assertion to check for null

[~andy/gtk] / configure.in

diff --git a/configure.in b/configure.in
index 15fb9cfe80595e58048810bc6e84c147c58e1cc0..18b6e73339aa33a40aa56647eb8da50fda6b73ee 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -14,7 +14,7 @@ cflags_set=${CFLAGS+set}
 #
 GTK_MAJOR_VERSION=1
 GTK_MINOR_VERSION=1
-GTK_MICRO_VERSION=2
+GTK_MICRO_VERSION=5
 GTK_INTERFACE_AGE=0
 GTK_BINARY_AGE=0
 GTK_VERSION=$GTK_MAJOR_VERSION.$GTK_MINOR_VERSION.$GTK_MICRO_VERSION
@@ -91,21 +91,26 @@ AM_PROG_CC_STDC
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 
+changequote(,)dnl
 if test "x$GCC" = "xyes"; then
-  if test -z "`echo "$CFLAGS" | grep "\-Wall" 2> /dev/null`" ; then
-    CFLAGS="$CFLAGS -Wall"
-  fi
+  case " $CFLAGS " in
+  *[\ \        ]-Wall[\ \      ]*) ;;
+  *) CFLAGS="$CFLAGS -Wall" ;;
+  esac
 
   if test "x$enable_ansi" = "xyes"; then
-    if test -z "`echo "$CFLAGS" | grep "\-ansi" 2> /dev/null`" ; then
-      CFLAGS="$CFLAGS -ansi"
-    fi
-
-    if test -z "`echo "$CFLAGS" | grep "\-pedantic" 2> /dev/null`" ; then
-      CFLAGS="$CFLAGS -pedantic"
-    fi
+    case " $CFLAGS " in
+    *[\ \      ]-ansi[\ \      ]*) ;;
+    *) CFLAGS="$CFLAGS -ansi" ;;
+    esac
+
+    case " $CFLAGS " in
+    *[\ \      ]-pedantic[\ \  ]*) ;;
+    *) CFLAGS="$CFLAGS -pedantic" ;;
+    esac
   fi
 fi
+changequote([,])dnl
 
 # define a MAINT-like variable REBUILD which is set if Perl
 # and awk are found, so autogenerated sources can be rebuilt
@@ -113,6 +118,9 @@ fi
 AC_PROG_AWK
 AC_CHECK_PROGS(PERL, perl5 perl)
 
+# We would like indent, but don't require it.
+AC_CHECK_PROG(INDENT, indent, indent)
+
 REBUILD=\#
 if test -n "$PERL" && perl -v | grep 'version 5.' > /dev/null ; then
   if test -n "$AWK" ; then 
@@ -120,7 +128,7 @@ if test -n "$PERL" && perl -v | grep 'version 5.' > /dev/null ; then
   fi
 fi
 AC_SUBST(REBUILD)
-  
+
 dnl The DU4 header files don't provide library prototypes unless 
 dnl -std1 is given to the native cc.
 AC_MSG_CHECKING([for extra flags to get ANSI library prototypes])
@@ -167,9 +175,9 @@ fi
 if test x$with_glib = x ; then 
   # Look for separately installed glib
 
-  AM_PATH_GLIB(1.1.3,,
+  AM_PATH_GLIB(1.1.5,,
     AC_MSG_ERROR([
-*** GLIB 1.1.3 or better is required. The latest version of GLIB
+*** GLIB 1.1.5 or better is required. The latest version of GLIB
 *** is always available from ftp://ftp.gtk.org.]),
     gmodule)
 
@@ -178,17 +186,18 @@ if test x$with_glib = x ; then
 else
   # Use uninstalled glib (assume they got the version right)
 
-  if test -x $with_glib/glib-config ; then 
+  GLIB_CONFIG=$with_glib/glib-config
+  if test -x $GLIB_CONFIG ; then 
     :
   else
     AC_MSG_ERROR([GLIB directory ($with_glib) not present or not configured])
   fi
 
   # For use in gtk-config
-  glib_cflags=`$with_glib/glib-config --cflags`
-  glib_libs=`$with_glib/glib-config --libs`
+  glib_cflags=`$GLIB_CONFIG --cflags`
+  glib_libs=`$GLIB_CONFIG --libs`
 
-  glib_release=`$with_glib/glib-config --version | sed 's%\\.[[0-9]]*$%%'`
+  glib_release=`$GLIB_CONFIG --version | sed 's%\\.[[0-9]]*$%%'`
 
   # canonicalize relative paths
   case $with_glib in 
@@ -282,11 +291,19 @@ fi
 
 # Threads
 
+CFLAGS="$saved_cflags"
+LDFLAGS="$saved_ldflags"
+
 if test "x$with_threads" = "xposix" || test "x$with_threads" = "xyes"; then
   AC_CHECK_LIB(pthread, pthread_attr_init, 
-    AC_DEFINE(USE_PTHREADS)
+    [AC_DEFINE(USE_PTHREADS)
     x_libs="$x_libs -lpthread"
-    CFLAGS="$CFLAGS -D_REENTRANT") 
+    CFLAGS="$CFLAGS -D_REENTRANT"],
+    # AIX has libpthreads, cause they're special. Special friends (TM)
+    AC_CHECK_LIB(pthreads, pthread_attr_init,
+      [AC_DEFINE(USE_PTHREADS)
+      x_libs="$x_libs -lpthreads"
+      CFLAGS="$CFLAGS -D_REENTRANT -D_THREAD_SAFE"]))
 fi
 
 AC_SUBST(x_cflags)
@@ -295,9 +312,6 @@ AC_SUBST(x_ldflags)
 AC_SUBST(x_libs)
 AC_SUBST(xinput_progs)
 
-CFLAGS="$saved_cflags"
-LDFLAGS="$saved_ldflags"
-
 if test "x$enable_shm" = "xyes"; then
   # Check for shared memory
   AC_CHECK_HEADER(sys/ipc.h, AC_DEFINE(HAVE_IPC_H), no_sys_ipc=yes)
@@ -399,9 +413,6 @@ AC_HEADER_STDC
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 
-# Checks for endianness (needed by GdkRgb).
-AC_C_BIGENDIAN
-
 # Checks for library functions.
 AC_TYPE_SIGNAL
 AC_FUNC_MMAP
@@ -423,6 +434,65 @@ else
     fi
 fi
 
+# Duplicate `widechar' tests from `glib'.
+# Check for wchar.h
+if test x = y; then
+  # will not be executed
+  # hack so as not to update `acconfig.h'
+  AC_CHECK_HEADERS(wchar.h wctype.h)
+  AC_CHECK_FUNCS(broken_wctype)
+fi
+
+AC_MSG_CHECKING(for wchar.h)
+AC_TRY_CPP([#include <wchar.h>], gtk_ok=yes, gtk_ok=no)
+if test $gtk_ok = yes; then
+   ac_kludge=HAVE_WCHAR_H
+   AC_DEFINE($ac_kludge)
+fi
+AC_MSG_RESULT($gtk_ok)
+
+# Check for wctype.h (for iswalnum)
+
+AC_MSG_CHECKING(for wctype.h)
+AC_TRY_CPP([#include <wctype.h>], gtk_ok=yes, gtk_ok=no)
+if test $gtk_ok = yes; then
+   ac_kludge=HAVE_WCTYPE_H
+   AC_DEFINE($ac_kludge)
+fi
+AC_MSG_RESULT($gtk_ok)
+
+# in Solaris 2.5, `iswalnum' is in -lw
+GDK_WLIBS=
+AC_CHECK_FUNC(iswalnum,,[AC_CHECK_LIB(w,iswalnum,GDK_WLIBS=-lw)])
+
+# The following is necessary for Linux libc-5.4.38
+oLIBS="$LIBS"
+LIBS="$LIBS $GDK_WLIBS"
+AC_MSG_CHECKING(if iswalnum() and friends are properly defined)
+AC_TRY_LINK([#include <stdlib.h>],[
+#if (defined(HAVE_WCTYPE_H) || defined(HAVE_WCHAR_H))
+#  ifdef HAVE_WCTYPE_H
+#    include <wctype.h>
+#  else
+#    ifdef HAVE_WCHAR_H
+#      include <wchar.h>
+#    endif
+#  endif
+#else
+#  define iswalnum(c) ((wchar_t)(c) <= 0xFF && isalnum(c))
+#endif
+iswalnum((wchar_t) 0);
+], gtk_ok=yes, gtk_ok=no)
+LIBS="$oLIBS"
+
+if test $gtk_ok = no; then
+   ac_kludge=HAVE_BROKEN_WCTYPE
+   AC_DEFINE($ac_kludge)
+   GDK_WLIBS=
+fi
+AC_MSG_RESULT($gtk_ok)
+AC_SUBST(GDK_WLIBS)
+
 AC_OUTPUT([
 Makefile
 gtk-config