[pycrypto] Cannot build 2.4

[Paul Hoffman]

Greetings again. Just pulled down 2.4, trying to install it on a
Ubuntu box with "python setup.py build". However:

. . .
gcc -pthread -fno-strict-aliasing -fwrapv -Wall -Wstrict-prototypes
-fPIC -std=c99 -O3 -fomit-frame-pointer -Isrc/
-I/usr/include/python2.6 -c src/MD2.c -o
build/temp.linux-x86_64-2.6/src/MD2.o
src/MD2.c:31:20: error: Python.h: No such file or directory
src/MD2.c:120: error: expected '=', ',', ';', 'asm' or '__attribute__'
before '*' token
In file included from src/MD2.c:136:
src/hash_template.c:48: error: expected specifier-qualifier-list
before 'PyObject_HEAD'
src/hash_template.c:59: error: expected '=', ',', ';', 'asm' or
'__attribute__' before 'PyTypeObject'
src/hash_template.c: In function 'newALGobject':
src/hash_template.c:69: warning: implicit declaration of function 'PyObject_New'
src/hash_template.c:69: error: expected expression before 'ALGobject'
src/hash_template.c: At top level:
src/hash_template.c:76: error: expected ')' before '*' token
src/hash_template.c:91: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
src/hash_template.c:110: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
src/hash_template.c:122: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
src/hash_template.c:162: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
src/hash_template.c:181: error: expected '=', ',', ';', 'asm' or
'__attribute__' before 'ALG_methods'
src/hash_template.c:189: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
src/hash_template.c:214: error: expected '=', ',', ';', 'asm' or
'__attribute__' before 'ALGtype'
src/hash_template.c:265: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
src/hash_template.c:298: error: array type has incomplete element type
src/hash_template.c:299: error: 'PyCFunction' undeclared here (not in
a function)
src/hash_template.c:299: error: expected '}' before 'ALG_new'
src/hash_template.c: In function 'initMD2':
src/hash_template.c:333: error: 'PyObject' undeclared (first use in
this function)
src/hash_template.c:333: error: (Each undeclared identifier is
reported only once
src/hash_template.c:333: error: for each function it appears in.)
src/hash_template.c:333: error: 'm' undeclared (first use in this function)
src/hash_template.c:345: error: 'ALGtype' undeclared (first use in
this function)
src/hash_template.c:345: error: 'PyType_Type' undeclared (first use in
this function)
src/hash_template.c:346: warning: implicit declaration of function
'Py_InitModule'
src/hash_template.c:350: error: 'o' undeclared (first use in this function)
src/hash_template.c:350: warning: implicit declaration of function
'PyInt_FromLong'
src/hash_template.c:350: warning: implicit declaration of function
'PyDict_SetItemString'
src/hash_template.c:350: warning: implicit declaration of function
'PyModule_GetDict'
src/hash_template.c:350: warning: implicit declaration of function 'Py_DECREF'
src/hash_template.c:354: warning: implicit declaration of function
'PyErr_Occurred'
src/hash_template.c:355: warning: implicit declaration of function
'Py_FatalError'
error: command 'gcc' failed with exit status 1

Clues appreciated.

--Paul Hoffman