Whoops, defining them to empty values generates many parse errors.

Defaulting to 1.

30 files changed, 67 insertions, 67 deletions

diff --git a/ext/cybercash/config.m4 b/ext/cybercash/config.m4
index 5f5730441a..8c4bc3425f 100644
--- a/ext/cybercash/config.m4
+++ b/ext/cybercash/config.m4
@@ -15,7 +15,7 @@ AC_ARG_WITH(cybercash,
 	LIBS="$LIBS -L$MCK_DIR/lib"
 	AC_ADD_LIBRARY_WITH_PATH(mckcrypto, $MCK_DIR/lib)
 	AC_ADD_INCLUDE($MCK_DIR)
-	AC_DEFINE(HAVE_MCK,,[Whether you have CyberCash])
+	AC_DEFINE(HAVE_MCK,1,[Whether you have CyberCash])
       else
         AC_MSG_ERROR(Please reinstall the CyberCash MCK - I cannot find mckcrypt.h)
         AC_MSG_RESULT(no)
diff --git a/ext/db/config.m4 b/ext/db/config.m4
index 710931ccd8..9cc9b38c6d 100644
--- a/ext/db/config.m4
+++ b/ext/db/config.m4
@@ -9,10 +9,10 @@ AC_CHECK_HEADERS(db1/ndbm.h)
 # Checks for libraries.
 # Prefer gdbm, Berkeley DB and ndbm/dbm, in that order
 AC_DEFUN(AC_PREFERRED_DB_LIB,[
-  AC_CHECK_LIB(gdbm, gdbm_open,[AC_DEFINE(GDBM,, [Whether you have GDBM]) DBM_TYPE=gdbm; DBM_LIB=-lgdbm],
-  [AC_CHECK_LIB(db, dbm_open,[AC_DEFINE(NDBM,, [Whether you have NDBM]) DBM_TYPE=ndbm; DBM_LIB=-ldb],
-   [AC_CHECK_LIB(c, dbm_open,[AC_DEFINE(NDBM,,[ ]) DBM_TYPE=ndbm; DBM_LIB=],
-    [AC_CHECK_LIB(dbm, dbm_open,[AC_DEFINE(NDBM,,[ ]) DBM_TYPE=ndbm; DBM_LIB=-ldbm],
+  AC_CHECK_LIB(gdbm, gdbm_open,[AC_DEFINE(GDBM,1, [Whether you have GDBM]) DBM_TYPE=gdbm; DBM_LIB=-lgdbm],
+  [AC_CHECK_LIB(db, dbm_open,[AC_DEFINE(NDBM,1, [Whether you have NDBM]) DBM_TYPE=ndbm; DBM_LIB=-ldb],
+   [AC_CHECK_LIB(c, dbm_open,[AC_DEFINE(NDBM,1,[ ]) DBM_TYPE=ndbm; DBM_LIB=],
+    [AC_CHECK_LIB(dbm, dbm_open,[AC_DEFINE(NDBM,1,[ ]) DBM_TYPE=ndbm; DBM_LIB=-ldbm],
      [DBM_TYPE=""])])])])
   AC_MSG_CHECKING([preferred dbm library])
   if test "a$DBM_TYPE" = a; then
diff --git a/ext/dba/config.m4 b/ext/dba/config.m4
index c5310ef247..bc2256ae95 100644
--- a/ext/dba/config.m4
+++ b/ext/dba/config.m4
@@ -90,7 +90,7 @@ AC_ARG_WITH(ndbm,
 	done
     
     if test "$NDBM_EXTRA" != ""; then
-      eval "AC_DEFINE($NDBM_EXTRA, 1, [ ])"
+      eval "AC_DEFINE($NDBM_EXTRA, 1)"
     fi
 
     for LIB in db1 ndbm c; do
@@ -135,7 +135,7 @@ AC_ARG_WITH(db2,
     fi
     
     if test -n "$DB2_EXTRA"; then
-      eval "AC_DEFINE($DB2_EXTRA, 1, [ ])"
+      eval "AC_DEFINE($DB2_EXTRA, 1)"
     fi
 
     for LIB in db db2 c; do
@@ -163,7 +163,7 @@ AC_ARG_WITH(db3,
 	done
 
     if test -n "$DB3_EXTRA"; then
-      eval "AC_DEFINE($DB3_EXTRA, 1, [ ])"
+      eval "AC_DEFINE($DB3_EXTRA, 1)"
     fi
 
     for LIB in db; do
diff --git a/ext/domxml/config.m4 b/ext/domxml/config.m4
index 68d986d833..c9ed3e8e99 100644
--- a/ext/domxml/config.m4
+++ b/ext/domxml/config.m4
@@ -14,7 +14,7 @@ AC_ARG_WITH(dom,
       PHP_EXTENSION(domxml)
       old_LIBS=$LIBS
       LIBS="$LIBS -lgz"
-      AC_CHECK_LIB(xml, xmlNewDoc, [AC_DEFINE(HAVE_DOMXML,,[ ])],
+      AC_CHECK_LIB(xml, xmlNewDoc, [AC_DEFINE(HAVE_DOMXML,1,[ ])],
         [AC_MSG_ERROR(DOM module requires libxml >= 1.0)])
       LIBS=$old_LIBS
       AC_ADD_LIBRARY(gz)
@@ -52,7 +52,7 @@ AC_ARG_WITH(dom,
           LIBS="$LIBS -L$withval/lib -lz"
         fi
 
-        AC_CHECK_LIB(xml, xmlNewDoc, [AC_DEFINE(HAVE_DOMXML,,[ ])],
+        AC_CHECK_LIB(xml, xmlNewDoc, [AC_DEFINE(HAVE_DOMXML,1,[ ])],
           [AC_MSG_ERROR(DOM module requires libxml >= 1.0.)])
         LIBS=$old_LIBS
         AC_ADD_LIBRARY_WITH_PATH(xml, $withval/lib)
diff --git a/ext/fdf/config.m4 b/ext/fdf/config.m4
index 9cbb2d07b2..cf37153cee 100644
--- a/ext/fdf/config.m4
+++ b/ext/fdf/config.m4
@@ -13,7 +13,7 @@ AC_ARG_WITH(fdftk,
       AC_MSG_RESULT(yes)
       PHP_EXTENSION(fdf)
       AC_CHECK_LIB(FdfTk, FDFOpen, [
-        AC_DEFINE(HAVE_FDFLIB,,[ ])
+        AC_DEFINE(HAVE_FDFLIB,1,[ ])
         EXTRA_LIBS="$EXTRA_LIBS -lFdfTk"
       ],[AC_MSG_ERROR(fdftk module requires fdftk 2.0)])
       ;;
@@ -25,7 +25,7 @@ AC_ARG_WITH(fdftk,
         old_LIBS=$LIBS
         LIBS="$LIBS -L$withval/lib"
         AC_CHECK_LIB(FdfTk, FDFOpen, [
-          AC_DEFINE(HAVE_FDFLIB,,[ ])
+          AC_DEFINE(HAVE_FDFLIB,1,[ ])
           EXTRA_LIBS="$EXTRA_LIBS -L$withval/lib -lFdfTk"
         ],[AC_MSG_ERROR(fdftk module requires fdftk lib 2.0.)])
         LIBS=$old_LIBS
diff --git a/ext/ftp/config.m4 b/ext/ftp/config.m4
index 6f6e3bd652..ce5d6af78c 100644
--- a/ext/ftp/config.m4
+++ b/ext/ftp/config.m4
@@ -7,7 +7,7 @@ AC_ARG_WITH(ftp,
 [  --with-ftp              Include FTP support.],
 [
   if test "$withval" != "no"; then
-    AC_DEFINE(HAVE_FTP,,[ ])
+    AC_DEFINE(HAVE_FTP,1,[ ])
     PHP_EXTENSION(ftp)
     AC_MSG_RESULT(yes)
   else
diff --git a/ext/gd/config.m4 b/ext/gd/config.m4
index d992b3771e..ce1ded2988 100644
--- a/ext/gd/config.m4
+++ b/ext/gd/config.m4
@@ -12,7 +12,7 @@ AC_ARG_WITH(gd,
     no)
       AC_MSG_RESULT(no) ;;
     yes)
-      AC_DEFINE(HAVE_LIBGD,,[ ])
+      AC_DEFINE(HAVE_LIBGD,1,[ ])
       if test "$shared" = "yes"; then
         AC_MSG_RESULT(yes (shared))
         GD_LIBS="-lgd"
@@ -22,7 +22,7 @@ AC_ARG_WITH(gd,
       fi
         old_LDFLAGS=$LDFLAGS
 		old_LIBS=$LIBS
-        AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,,[ ]) ])
+        AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,1,[ ]) ])
 		LIBS="$LIBS -lpng -lz"
         AC_CHECK_LIB(gd, gdImageColorResolve, [AC_DEFINE(HAVE_GDIMAGECOLORRESOLVE,1,[ ])])
 dnl Some versions of GD support both PNG and GIF. Check for both.
@@ -60,7 +60,7 @@ dnl A whole whack of possible places where this might be
       test -f $withval/gd/libgd.a && GD_LIB="$withval/gd"
       test -f $withval/gd1.3/libgd.a && GD_LIB="$withval/gd1.3"
       if test -n "$GD_INCLUDE" && test -n "$GD_LIB" ; then
-        AC_DEFINE(HAVE_LIBGD,,[ ])
+        AC_DEFINE(HAVE_LIBGD,1,[ ])
         if test "$shared" = "yes"; then
           AC_MSG_RESULT(yes (shared))
           GD_LIBS="-lgd"
@@ -72,7 +72,7 @@ dnl A whole whack of possible places where this might be
         old_LDFLAGS=$LDFLAGS
         LDFLAGS="$LDFLAGS -L$GD_LIB"
 		old_LIBS=$LIBS
-        AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,, [ ]) ])
+        AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,1, [ ]) ])
 		LIBS="$LIBS -lpng -lz"
         AC_CHECK_LIB(gd, gdImageColorResolve, [AC_DEFINE(HAVE_GDIMAGECOLORRESOLVE,1,[ ])])
         AC_CHECK_LIB(gd, gdImageCreateFromPng, [AC_DEFINE(HAVE_GD_PNG, 1, [ ])])
@@ -91,10 +91,10 @@ dnl A whole whack of possible places where this might be
   esac
 ],[
   AC_CHECK_LIB(gd, gdImageLine)
-  AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,, [ ]) ])
+  AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,1, [ ]) ])
   if test "$ac_cv_lib_gd_gdImageLine" = "yes"; then
 		old_LIBS=$LIBS
-        AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,, [ ]) ])
+        AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13,1, [ ]) ])
 		LIBS="$LIBS -lpng -lz"
         AC_CHECK_LIB(gd, gdImageColorResolve, [AC_DEFINE(HAVE_GDIMAGECOLORRESOLVE,1, [ ])])
         AC_CHECK_LIB(gd, gdImageCreateFromPng, [AC_DEFINE(HAVE_GD_PNG, 1, [ ])])
@@ -131,7 +131,7 @@ if test "$ac_cv_lib_gd_gdImageLine" = "yes"; then
       fi
     done
     if test -n "$FREETYPE_DIR" ; then
-      AC_DEFINE(HAVE_LIBFREETYPE,,[ ])
+      AC_DEFINE(HAVE_LIBFREETYPE,1,[ ])
       if test "$shared" = "yes"; then
         GD_LIBS="$GD_LIBS -lfreetype"
         GD_LFLAGS="$GD_LFLAGS -L$FREETYPE_DIR/lib"
@@ -142,7 +142,7 @@ if test "$ac_cv_lib_gd_gdImageLine" = "yes"; then
       AC_MSG_RESULT(yes)
     else
       if test -n "$TTF_DIR" ; then
-        AC_DEFINE(HAVE_LIBTTF,,[ ])
+        AC_DEFINE(HAVE_LIBTTF,1,[ ])
         if test "$shared" = "yes"; then
           GD_LIBS="$GD_LIBS -lttf"
           GD_LFLAGS="$GD_LFLAGS -L$TTF_DIR/lib"
diff --git a/ext/gettext/config.m4 b/ext/gettext/config.m4
index 0570b7f2c5..1ba8f94639 100644
--- a/ext/gettext/config.m4
+++ b/ext/gettext/config.m4
@@ -31,7 +31,7 @@ AC_ARG_WITH(gettext,
         ],)
     ],)
 
-    AC_DEFINE(HAVE_LIBINTL,,[ ])
+    AC_DEFINE(HAVE_LIBINTL,1,[ ])
     PHP_EXTENSION(gettext)
 
 	EXTRA_LIBS="$EXTRA_LIBS $GETTEXT_LFLAGS $GETTEXT_LIBS"
diff --git a/ext/icap/config.m4 b/ext/icap/config.m4
index 04732dde1f..372621546a 100644
--- a/ext/icap/config.m4
+++ b/ext/icap/config.m4
@@ -13,7 +13,7 @@ AC_ARG_WITH(icap,
     
     AC_ADD_INCLUDE($ICAP_DIR)
     AC_ADD_LIBRARY_WITH_PATH(icap, $ICAP_DIR)
-    AC_DEFINE(HAVE_ICAP,,[ ])
+    AC_DEFINE(HAVE_ICAP,1,[ ])
     PHP_EXTENSION(icap)
     AC_MSG_RESULT(yes)
   else
diff --git a/ext/imap/config.m4 b/ext/imap/config.m4
index da8cf80e2a..857ffdf4da 100644
--- a/ext/imap/config.m4
+++ b/ext/imap/config.m4
@@ -50,7 +50,7 @@ AC_ARG_WITH(imap,
 		fi
 		AC_ADD_LIBRARY_WITH_PATH($IMAP_LIB, $IMAP_LIBDIR)
 		AC_ADD_INCLUDE($IMAP_INC_DIR)
-		AC_DEFINE(HAVE_IMAP,,[ ])
+		AC_DEFINE(HAVE_IMAP,1,[ ])
 		AC_MSG_RESULT(yes)
 		PHP_EXTENSION(imap)
 	else
diff --git a/ext/informix/config.m4 b/ext/informix/config.m4
index 20c9e8096e..c2e00eb07f 100644
--- a/ext/informix/config.m4
+++ b/ext/informix/config.m4
@@ -57,11 +57,11 @@ WARNING: You specified Informix base install directory that is different
         if test "`uname -s 2>/dev/null`" = "AIX"; then
         CFLAGS="$CFLAGS -D__H_LOCALEDEF"
       fi
-      AC_DEFINE(HAVE_IFX,,[ ])
+      AC_DEFINE(HAVE_IFX,1,[ ])
       AC_MSG_CHECKING([Informix version])
       IFX_VERSION=[`esql -V | sed -ne '1 s/^[^0-9]*\([0-9]\)\.\([0-9]*\).*/\1\2/p'`]
       if test $IFX_VERSION -ge "900"; then
-        AC_DEFINE(HAVE_IFX_IUS,,[ ])
+        AC_DEFINE(HAVE_IFX_IUS,1,[ ])
         IFX_ESQL_FLAGS="-EDHAVE_IFX_IUS"
       else
         IFX_ESQL_FLAGS="-EUHAVE_IFX_IUS"
diff --git a/ext/interbase/config.m4 b/ext/interbase/config.m4
index 08f050138a..f79fa94695 100644
--- a/ext/interbase/config.m4
+++ b/ext/interbase/config.m4
@@ -16,7 +16,7 @@ AC_ARG_WITH(interbase,
     IBASE_INCLUDE=-I$IBASE_INCDIR
     IBASE_LFLAGS=-L$IBASE_LIBDIR
     IBASE_LIBS="-lgds"
-    AC_DEFINE(HAVE_IBASE,,[ ])
+    AC_DEFINE(HAVE_IBASE,1,[ ])
     AC_MSG_RESULT(yes)
     EXTRA_LIBS="$EXTRA_LIBS $IBASE_LFLAGS $IBASE_LIBS"
     INCLUDES="$INCLUDES $IBASE_INCLUDE"
diff --git a/ext/java/config.m4 b/ext/java/config.m4
index 28a86d3c5b..f0fdd80297 100644
--- a/ext/java/config.m4
+++ b/ext/java/config.m4
@@ -49,7 +49,7 @@ AC_ARG_WITH(java,
       fi
     fi
 
-    AC_DEFINE(HAVE_JAVA,,[ ])
+    AC_DEFINE(HAVE_JAVA,1,[ ])
     PHP_EXTENSION(java, shared)
     PHP_BUILD_SHARED
     AC_MSG_RESULT(yes)
diff --git a/ext/ldap/config.m4 b/ext/ldap/config.m4
index 9380eeb639..80ad89a21b 100644
--- a/ext/ldap/config.m4
+++ b/ext/ldap/config.m4
@@ -50,17 +50,17 @@ dnl these here if necessary.   -RL
 	elif test -f $LDAP_LIBDIR/libldapssl30.so; then
         AC_ADD_LIBRARY(ldapssl30)
         AC_ADD_LIBRARY($LDAP_PTHREAD)
-		AC_DEFINE(HAVE_NSLDAP,,[ ])
+		AC_DEFINE(HAVE_NSLDAP,1,[ ])
 	elif test -f $LDAP_LIBDIR/libldapssl30.sl; then
         AC_ADD_LIBRARY(ldapssl30)
-		AC_DEFINE(HAVE_NSLDAP,,[ ])
+		AC_DEFINE(HAVE_NSLDAP,1,[ ])
 	elif test -f $LDAP_LIBDIR/libldap30.so; then
         AC_ADD_LIBRARY(ldap30)
         AC_ADD_LIBRARY($LDAP_PTHREAD)
-		AC_DEFINE(HAVE_NSLDAP,,[ ])
+		AC_DEFINE(HAVE_NSLDAP,1,[ ])
 	elif test -f $LDAP_LIBDIR/libldap30.sl; then
         AC_ADD_LIBRARY(ldap30)
-		AC_DEFINE(HAVE_NSLDAP,,[ ])
+		AC_DEFINE(HAVE_NSLDAP,1,[ ])
 	elif test -f $LDAP_LIBDIR/libumich_ldap.so; then
         AC_ADD_LIBRARY(umich_ldap)
         AC_ADD_LIBRARY(umich_lber)
@@ -69,7 +69,7 @@ dnl these here if necessary.   -RL
     AC_ADD_INCLUDE($LDAP_INCDIR)
     AC_ADD_LIBPATH($LDAP_LIBDIR)
 
-    AC_DEFINE(HAVE_LDAP,,[ ])
+    AC_DEFINE(HAVE_LDAP,1,[ ])
 
     AC_MSG_RESULT(yes)
     PHP_EXTENSION(ldap)
diff --git a/ext/mcal/config.m4 b/ext/mcal/config.m4
index 03f1d0bc2c..79be84b821 100644
--- a/ext/mcal/config.m4
+++ b/ext/mcal/config.m4
@@ -13,7 +13,7 @@ AC_ARG_WITH(mcal,
     
     AC_ADD_INCLUDE($MCAL_DIR)
     AC_ADD_LIBRARY_WITH_PATH(mcal, $MCAL_DIR)
-    AC_DEFINE(HAVE_MCAL,,[ ])
+    AC_DEFINE(HAVE_MCAL,1,[ ])
     PHP_EXTENSION(mcal)
     AC_MSG_RESULT(yes)
   else
diff --git a/ext/mcrypt/config.m4 b/ext/mcrypt/config.m4
index 4becc36e1e..5066b4ac44 100644
--- a/ext/mcrypt/config.m4
+++ b/ext/mcrypt/config.m4
@@ -19,7 +19,7 @@ AC_ARG_WITH(mcrypt,
     AC_ADD_INCLUDE($MCRYPT_DIR/include)
     AC_ADD_LIBRARY_WITH_PATH(mcrypt, $MCRYPT_DIR/lib)
 
-    AC_DEFINE(HAVE_LIBMCRYPT,,[ ])
+    AC_DEFINE(HAVE_LIBMCRYPT,1,[ ])
 
     AC_MSG_RESULT(yes)
     PHP_EXTENSION(mcrypt)
diff --git a/ext/mhash/config.m4 b/ext/mhash/config.m4
index 7a82830c9f..de4bf5d270 100644
--- a/ext/mhash/config.m4
+++ b/ext/mhash/config.m4
@@ -19,7 +19,7 @@ AC_ARG_WITH(mhash,
     AC_ADD_INCLUDE($MHASH_DIR/include)
     AC_ADD_LIBRARY_WITH_PATH(mhash, $MHASH_DIR/lib)
 
-    AC_DEFINE(HAVE_LIBMHASH,,[ ])
+    AC_DEFINE(HAVE_LIBMHASH,1,[ ])
 
     AC_MSG_RESULT(yes)
     PHP_EXTENSION(mhash)
diff --git a/ext/msql/config.m4 b/ext/msql/config.m4
index 0213377017..d971b7b91b 100644
--- a/ext/msql/config.m4
+++ b/ext/msql/config.m4
@@ -34,7 +34,7 @@ AC_ARG_WITH(msql,
     fi
     AC_ADD_LIBRARY_WITH_PATH(msql, $MSQL_LIBDIR)
     AC_ADD_INCLUDE($MSQL_INCDIR)
-    AC_DEFINE(HAVE_MSQL,,[ ])
+    AC_DEFINE(HAVE_MSQL,1,[ ])
     AC_MSG_RESULT(yes)
     PHP_EXTENSION(msql)
     AC_MSQL_VERSION
diff --git a/ext/oci8/config.m4 b/ext/oci8/config.m4
index 11d8ba1c48..ef722709bc 100644
--- a/ext/oci8/config.m4
+++ b/ext/oci8/config.m4
@@ -162,7 +162,7 @@ AC_ARG_WITH(oci8,
     # only using shared libs right now
     ORACLE_LIBS=$ORACLE_SHLIBS
 
-    AC_DEFINE(HAVE_ORACLE,,[ ])
+    AC_DEFINE(HAVE_ORACLE,1,[ ])
 
   fi
 
diff --git a/ext/odbc/config.m4 b/ext/odbc/config.m4
index 959b257d61..13408ab70e 100644
--- a/ext/odbc/config.m4
+++ b/ext/odbc/config.m4
@@ -89,7 +89,7 @@ AC_ARG_WITH(adabas,
     AC_ADD_LIBRARY(sqlrte)
     AC_ADD_LIBRARY(sqlptc)
     ODBC_TYPE=adabas
-    AC_DEFINE(HAVE_ADABAS,,[ ])
+    AC_DEFINE(HAVE_ADABAS,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -113,7 +113,7 @@ AC_ARG_WITH(solid,
     ODBC_LIBDIR=$withval/lib
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_TYPE=solid
-    AC_DEFINE(HAVE_SOLID,,[ ])
+    AC_DEFINE(HAVE_SOLID,1,[ ])
     AC_MSG_RESULT(yes)
     AC_FIND_SOLID_LIBS($ODBC_LIBDIR)
   else
@@ -168,7 +168,7 @@ AC_ARG_WITH(empress,
     fi
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_TYPE=empress
-    AC_DEFINE(HAVE_EMPRESS,,[ ])
+    AC_DEFINE(HAVE_EMPRESS,1,[ ])
     AC_MSG_RESULT(yes)
     AC_FIND_EMPRESS_LIBS($ODBC_LIBDIR)
   else
@@ -202,7 +202,7 @@ AC_ARG_WITH(velocis,
         ODBC_LIBS="-l_rdbc -l_sql";;
     esac
     ODBC_TYPE=velocis
-    AC_DEFINE(HAVE_VELOCIS,,[ ])
+    AC_DEFINE(HAVE_VELOCIS,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -238,7 +238,7 @@ AC_ARG_WITH(custom-odbc,
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_LIBS=$CUSTOM_ODBC_LIBS
     ODBC_TYPE=custom
-    AC_DEFINE(HAVE_CODBC,,[ ])
+    AC_DEFINE(HAVE_CODBC,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -264,7 +264,7 @@ AC_ARG_WITH(iodbc,
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_LIBS=-liodbc
     ODBC_TYPE=iodbc
-    AC_DEFINE(HAVE_IODBC,,[ ])
+    AC_DEFINE(HAVE_IODBC,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -291,7 +291,7 @@ AC_ARG_WITH(esoob,
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_LIBS=-lesoobclient
     ODBC_TYPE=ESOOB
-    AC_DEFINE(HAVE_ESOOB,,[ ])
+    AC_DEFINE(HAVE_ESOOB,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -317,7 +317,7 @@ AC_ARG_WITH(unixODBC,
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_LIBS=-lodbc
     ODBC_TYPE=unixODBC
-    AC_DEFINE(HAVE_UNIXODBC,,[ ])
+    AC_DEFINE(HAVE_UNIXODBC,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -344,7 +344,7 @@ AC_ARG_WITH(openlink,
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_LIBS=-liodbc
     ODBC_TYPE=openlink
-    AC_DEFINE(HAVE_OPENLINK,,[ ])
+    AC_DEFINE(HAVE_OPENLINK,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -377,7 +377,7 @@ AC_ARG_WITH(dbmaker,
     ODBC_INCLUDE=-I$ODBC_INCDIR
     ODBC_LIBS="-ldmapic -lc"
     ODBC_TYPE=dbmaker
-    AC_DEFINE(HAVE_DBMAKER,,[ ])
+    AC_DEFINE(HAVE_DBMAKER,1,[ ])
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
@@ -390,7 +390,7 @@ fi
 if test -n "$ODBC_TYPE" && test -n "$ODBC_INCLUDE"; then
   INCLUDES="$INCLUDES $ODBC_INCLUDE"
   EXTRA_LIBS="$EXTRA_LIBS $ODBC_LFLAGS $ODBC_LIBS"
-  AC_DEFINE(HAVE_UODBC,,[ ])
+  AC_DEFINE(HAVE_UODBC,1,[ ])
   PHP_SUBST(ODBC_INCDIR)
   PHP_SUBST(ODBC_INCLUDE)
   PHP_SUBST(ODBC_LIBDIR)
diff --git a/ext/oracle/config.m4 b/ext/oracle/config.m4
index 7f7c8b94a2..87c1f6a743 100644
--- a/ext/oracle/config.m4
+++ b/ext/oracle/config.m4
@@ -160,7 +160,7 @@ AC_ARG_WITH(oracle,
     # only using shared libs right now
     ORACLE_LIBS=$ORACLE_SHLIBS
 
-    AC_DEFINE(HAVE_ORACLE,,[ ])
+    AC_DEFINE(HAVE_ORACLE,1,[ ])
 
   fi
 
diff --git a/ext/pdf/config.m4 b/ext/pdf/config.m4
index e45eb3c9e9..7d479d3460 100644
--- a/ext/pdf/config.m4
+++ b/ext/pdf/config.m4
@@ -16,7 +16,7 @@ echo $withval
       old_LDFLAGS=$LDFLAGS
 		  old_LIBS=$LIBS
 		  LIBS="$LIBS -ltiff -ljpeg -lz"
-      AC_CHECK_LIB(pdf, PDF_close, [AC_DEFINE(HAVE_PDFLIB,,[ ])],
+      AC_CHECK_LIB(pdf, PDF_close, [AC_DEFINE(HAVE_PDFLIB,1,[ ])],
         [AC_MSG_ERROR(pdflib extension requires pdflib 2.x. You may as well need libtiff and libjpeg. In such a case use the options --with-tiff-dir=<DIR> and --with-jpeg-dir=<DIR>)])
       LIBS=$old_LIBS
       LDFLAGS=$old_LDFLAGS
@@ -94,7 +94,7 @@ echo $withval
 
         old_LIBS=$LIBS
         LIBS="$LIBS -L$withval/lib"
-        AC_CHECK_LIB(pdf, PDF_close, [AC_DEFINE(HAVE_PDFLIB,,[ ]) PDFLIB_LIBS="$PDFLIB_LIBS -L$withval/lib -lpdf"],
+        AC_CHECK_LIB(pdf, PDF_close, [AC_DEFINE(HAVE_PDFLIB,1,[ ]) PDFLIB_LIBS="$PDFLIB_LIBS -L$withval/lib -lpdf"],
           [AC_MSG_ERROR(pdflib extension requires pdflib 2.x.)])
         LIBS=$old_LIBS
         AC_ADD_LIBRARY_WITH_PATH(pdf, $withval/lib)
diff --git a/ext/pgsql/config.m4 b/ext/pgsql/config.m4
index adbcdd937b..2228e47c93 100644
--- a/ext/pgsql/config.m4
+++ b/ext/pgsql/config.m4
@@ -37,7 +37,7 @@ AC_ARG_WITH(pgsql,
 
     old_CFLAGS=$CFLAGS
     CFLAGS="$CFLAGS $PGSQL_INCLUDE"
-    AC_DEFINE(HAVE_PGSQL,,[ ])
+    AC_DEFINE(HAVE_PGSQL,1,[ ])
     if test "$shared" = "yes"; then
       AC_MSG_RESULT(yes (shared))
       PGSQL_SHARED="pgsql.la"
@@ -47,7 +47,7 @@ AC_ARG_WITH(pgsql,
       AC_ADD_INCLUDE($PGSQL_INCDIR)
       PGSQL_STATIC="libphpext_pgsql.la"
     fi
-    AC_CHECK_FUNC(PQcmdTuples,AC_DEFINE(HAVE_PQCMDTUPLES,,[ ]))
+    AC_CHECK_FUNC(PQcmdTuples,AC_DEFINE(HAVE_PQCMDTUPLES,1,[ ]))
     CFLAGS=$old_CFLAGS
     PHP_EXTENSION(pgsql,$shared)
   else
diff --git a/ext/rpc/java/config.m4 b/ext/rpc/java/config.m4
index 28a86d3c5b..f0fdd80297 100644
--- a/ext/rpc/java/config.m4
+++ b/ext/rpc/java/config.m4
@@ -49,7 +49,7 @@ AC_ARG_WITH(java,
       fi
     fi
 
-    AC_DEFINE(HAVE_JAVA,,[ ])
+    AC_DEFINE(HAVE_JAVA,1,[ ])
     PHP_EXTENSION(java, shared)
     PHP_BUILD_SHARED
     AC_MSG_RESULT(yes)
diff --git a/ext/snmp/config.m4 b/ext/snmp/config.m4
index 4dcbb4f069..9d59f2501e 100644
--- a/ext/snmp/config.m4
+++ b/ext/snmp/config.m4
@@ -40,7 +40,7 @@ AC_ARG_WITH(snmp,
       test -d $withval/include/ucd-snmp && SNMP_INCDIR=$withval/include/ucd-snmp
       SNMP_LIBDIR=$withval/lib
     fi
-    AC_DEFINE(HAVE_SNMP,,[ ])
+    AC_DEFINE(HAVE_SNMP,1,[ ])
     if test "$shared" = "yes"; then
       AC_MSG_RESULT(yes (shared))
       SNMP_INCLUDE="-I$SNMP_INCDIR"
diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 7fc5bad5fb..e1f1aa065d 100644
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -113,18 +113,18 @@ main() {
 
 AC_CHECK_LIB(c, dlopen, [
  # fake it
- AC_DEFINE(HAVE_LIBDL,,[ ]) ], [
+ AC_DEFINE(HAVE_LIBDL,1,[ ]) ], [
  AC_CHECK_LIB(dl, dlopen, [
   LIBS="-ldl $LIBS"
-  AC_DEFINE(HAVE_LIBDL,,[ ]) ], []) ])
+  AC_DEFINE(HAVE_LIBDL,1,[ ]) ], []) ])
 
 AC_CHECK_LIB(pam, pam_start, [
   EXTRA_LIBS="$EXTRA_LIBS -lpam"
-  AC_DEFINE(HAVE_LIBPAM,,[ ]) ], []) 
+  AC_DEFINE(HAVE_LIBPAM,1,[ ]) ], []) 
 
 AC_CHECK_LIB(crypt, crypt, [
  AC_ADD_LIBRARY(crypt)
- AC_DEFINE(HAVE_LIBCRYPT,,[ ]) ], [])
+ AC_DEFINE(HAVE_LIBCRYPT,1,[ ]) ], [])
 
 AC_CHECK_FUNCS(getcwd)
 AC_CHECK_FUNCS(getwd)
diff --git a/ext/sybase/config.m4 b/ext/sybase/config.m4
index cd0928b1ec..96d38c0471 100644
--- a/ext/sybase/config.m4
+++ b/ext/sybase/config.m4
@@ -20,9 +20,9 @@ AC_ARG_WITH(sybase,
     PHP_EXTENSION(sybase)
     AC_CHECK_LIB(dnet_stub, dnet_addr,
      [ AC_ADD_LIBRARY(dnet_stub)
-        AC_DEFINE(HAVE_LIBDNET_STUB,,[ ])
+        AC_DEFINE(HAVE_LIBDNET_STUB,1,[ ])
      ])
-    AC_DEFINE(HAVE_SYBASE,,[ ])
+    AC_DEFINE(HAVE_SYBASE,1,[ ])
   else
     AC_MSG_RESULT(no)
   fi
diff --git a/ext/sybase_ct/config.m4 b/ext/sybase_ct/config.m4
index 3bfdea28c7..68b3d0833c 100644
--- a/ext/sybase_ct/config.m4
+++ b/ext/sybase_ct/config.m4
@@ -10,7 +10,7 @@ AC_ARG_WITH(sybase-ct,
     if test -z "$SYBASE_LIBS"; then
       PHP_EXTENSION(sybase_ct)
     fi
-    AC_DEFINE(HAVE_SYBASE_CT,,[ ])
+    AC_DEFINE(HAVE_SYBASE_CT,1,[ ])
     if test "$withval" = "yes"; then
       SYBASE_CT_INCDIR=/home/sybase/include
       SYBASE_CT_LIBDIR=/home/sybase/lib
diff --git a/ext/yp/config.m4 b/ext/yp/config.m4
index 151661abf8..dd7eff9a0b 100644
--- a/ext/yp/config.m4
+++ b/ext/yp/config.m4
@@ -8,13 +8,13 @@ AC_ARG_WITH(yp,
 [
 	if test "$withval" = "yes"; then
 		AC_MSG_RESULT(yes)
-		AC_DEFINE(HAVE_YP,,[ ])
+		AC_DEFINE(HAVE_YP,1,[ ])
 		PHP_EXTENSION(yp)
 		if test `uname` = "SunOS";then
 			release=`uname -r`
 			case "$release" in
 				5*)
-					AC_DEFINE(SOLARIS_YP,,[ ])
+					AC_DEFINE(SOLARIS_YP,1,[ ])
 					;;
 				*)
 					;;
diff --git a/ext/zlib/config.m4 b/ext/zlib/config.m4
index e4111b9dca..30cfd541dd 100644
--- a/ext/zlib/config.m4
+++ b/ext/zlib/config.m4
@@ -12,7 +12,7 @@ AC_ARG_WITH(zlib,
     yes)
       AC_MSG_RESULT(yes)
       PHP_EXTENSION(zlib)
-      AC_CHECK_LIB(z, gzgets, [AC_DEFINE(HAVE_ZLIB,,[ ])],
+      AC_CHECK_LIB(z, gzgets, [AC_DEFINE(HAVE_ZLIB,1,[ ])],
         [AC_MSG_ERROR(Zlib module requires zlib >= 1.0.9.)])
       AC_ADD_LIBRARY(z)
       ;;
@@ -24,7 +24,7 @@ AC_ARG_WITH(zlib,
         PHP_EXTENSION(zlib)
         old_LIBS=$LIBS
         LIBS="$LIBS -L$withval/lib"
-        AC_CHECK_LIB(z, gzgets, [AC_DEFINE(HAVE_ZLIB,,[ ])],
+        AC_CHECK_LIB(z, gzgets, [AC_DEFINE(HAVE_ZLIB,1,[ ])],
           [AC_MSG_ERROR(Zlib module requires zlib >= 1.0.9.)])
         LIBS=$old_LIBS
         AC_ADD_LIBRARY_WITH_PATH(z, $withval/lib)