Hi, I am having the following error when compiling Zope: --------------------------------------------------------------- "/usr/bin/python" "/infra/portal/Zope-2.8.4-final/setup.py" \ build --build-base="/infra/portal/Zope-2.8.4-final/build-base/python-2.3" --build-lib="/infra/portal/Zope-2.8.4-final/build-base/python-2.3/build-lib" --build-scripts="/infra/portal/Zope-2.8.4-final/build-base/python-2.3/build-scripts" --build-temp="/infra/portal/Zope-2.8.4-final/build-base/python-2.3/build-temp" running build running build_py running build_ext building 'AccessControl.cAccessControl' extension gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall -Wstrict-prototypes -fPIC -IExtensionClass -IAcquisition -I/usr/include/python2.3 -c AccessControl/cAccessControl.c -o /infra/portal/Zope-2.8.4-final/build-base/python-2.3/build-temp/AccessControl/cAccessControl.o En el fichero incluído de /usr/lib/gcc-lib/i486-linux/3.3.5/include/syslimits.h:7, de /usr/lib/gcc-lib/i486-linux/3.3.5/include/limits.h:11, de /usr/include/python2.3/Python.h:19, de ExtensionClass/ExtensionClass.h:83, de AccessControl/cAccessControl.c:51: /usr/lib/gcc-lib/i486-linux/3.3.5/include/limits.h:122:75: limits.h: No existe el fichero o el directorio En el fichero incluído de ExtensionClass/ExtensionClass.h:83, de AccessControl/cAccessControl.c:51: /usr/include/python2.3/Python.h:28:19: stdio.h: No existe el fichero o el directorio /usr/include/python2.3/Python.h:30:5: #error "Python.h requires that stdio.h define NULL." /usr/include/python2.3/Python.h:33:20: string.h: No existe el fichero o el directorio /usr/include/python2.3/Python.h:34:19: errno.h: No existe el fichero o el directorio /usr/include/python2.3/Python.h:36:20: stdlib.h: No existe el fichero o el directorio /usr/include/python2.3/Python.h:39:20: unistd.h: No existe el fichero o el directorio /usr/include/python2.3/Python.h:46:20: assert.h: No existe el fichero o el directorio ... ... and the error list goes on. --------------------------------------------------------------- but the limits.h file does exist at the above mentioned location My environment is: Debian 3.1 (stable) dpkg -l | grep python ii python 2.3.5-2 An interactive high-level object-oriented la ii python-ldap 2.0.4-1 A LDAP interface module for Python. [dummy p ii python2.3 2.3.5-3 An interactive high-level object-oriented la ii python2.3-dev 2.3.5-3 Header files and a static library for Python ii python2.3-ldap 2.0.4-1 A LDAP interface module for Python 2.3 dpkg -l | grep gcc ii gcc 3.3.5-3 The GNU C compiler ii gcc-3.3 3.3.5-13 The GNU C compiler ii gcc-3.3-base 3.3.5-13 The GNU Compiler Collection (base package) ii libgcc1 3.4.3-13 GCC support library dpkg -l | grep make ii ant 1.6.2-2 Java based build tool like make ii libant1.6-java 1.6.2-2.1 Java based build tool like make -- library ii make 3.80-9 The GNU version of the "make" utility. ii makedev 2.3.1-77 creates device files in /dev Any ideas what can be missing from my installation? Best regards, Gustavo.