$ sed -i -e 's/\([A-Z_]*CFLAGS\)+="/\1="$\1/' configure
$ ./configure --enable-tempstore=yes --disable-editline --disable-tcl CFLAGS='-DSQLITE_HAS_CODEC -DOMIT_MEMLOCK'
[...]
$ make
[...]
./libtool --mode=compile --tag=CC gcc -DSQLITE_HAS_CODEC -DOMIT_MEMLOCK -DSQLCIPHER_CRYPTO_OPENSSL -DSQLITE_OS_UNIX=1 -I. -I/home/tim/src/3rd/sqlcipher/src -I/home/tim/src/3rd/sqlcipher/ext/rtree -I/home/tim/src/3rd/sqlcipher/ext/icu -I/home/tim/src/3rd/sqlcipher/ext/fts3 -I/home/tim/src/3rd/sqlcipher/ext/async -I/home/tim/src/3rd/sqlcipher/ext/session -I/home/tim/src/3rd/sqlcipher/ext/userauth -D_HAVE_SQLITE_CONFIG_H -DBUILD_sqlite -DNDEBUG  -DSQLITE_THREADSAFE=1   -DSQLITE_HAVE_ZLIB=1  -DSQLITE_TEMP_STORE=2 -c sqlite3.c
libtool: compile:  gcc -DSQLITE_HAS_CODEC -DOMIT_MEMLOCK -DSQLCIPHER_CRYPTO_OPENSSL -DSQLITE_OS_UNIX=1 -I. -I/home/tim/src/3rd/sqlcipher/src -I/home/tim/src/3rd/sqlcipher/ext/rtree -I/home/tim/src/3rd/sqlcipher/ext/icu -I/home/tim/src/3rd/sqlcipher/ext/fts3 -I/home/tim/src/3rd/sqlcipher/ext/async -I/home/tim/src/3rd/sqlcipher/ext/session -I/home/tim/src/3rd/sqlcipher/ext/userauth -D_HAVE_SQLITE_CONFIG_H -DBUILD_sqlite -DNDEBUG -DSQLITE_THREADSAFE=1 -DSQLITE_HAVE_ZLIB=1 -DSQLITE_TEMP_STORE=2 -c sqlite3.c  -fPIC -DPIC -o .libs/sqlite3.o
sqlite3.c:39210: error: 'close' undeclared here (not in a function)
sqlite3.c:39213: error: 'access' undeclared here (not in a function)
sqlite3.c:39216: error: 'getcwd' undeclared here (not in a function)
sqlite3.c:39242: error: 'read' undeclared here (not in a function)
sqlite3.c:39246: error: 'pread' undeclared here (not in a function)
sqlite3.c:39259: error: 'write' undeclared here (not in a function)
sqlite3.c:39263: error: 'pwrite' undeclared here (not in a function)
sqlite3.c:39288: error: 'unlink' undeclared here (not in a function)
sqlite3.c:39297: error: 'rmdir' undeclared here (not in a function)
sqlite3.c:39301: error: 'fchown' undeclared here (not in a function)
sqlite3.c:39308: error: 'geteuid' undeclared here (not in a function)
sqlite3.c:39315: error: 'mmap' undeclared here (not in a function)
sqlite3.c:39322: error: 'munmap' undeclared here (not in a function)
sqlite3.c:39343: error: 'readlink' undeclared here (not in a function)
sqlite3.c: In function 'unixShmMap':
sqlite3.c:43604: error: 'PROT_READ' undeclared (first use in this function)
sqlite3.c:43604: error: (Each undeclared identifier is reported only once
sqlite3.c:43604: error: for each function it appears in.)
sqlite3.c:43604: error: 'PROT_WRITE' undeclared (first use in this function)
sqlite3.c:43604: error: invalid operands to binary |
sqlite3.c:43605: error: 'MAP_SHARED' undeclared (first use in this function)
sqlite3.c:43606: warning: passing argument 3 of '(void * (*)(void *, size_t,  int,  int,  int,  off_t))aSyscall[22].pCurrent' makes integer from pointer without a cast
sqlite3.c:43606: warning: passing argument 4 of '(void * (*)(void *, size_t,  int,  int,  int,  off_t))aSyscall[22].pCurrent' makes integer from pointer without a cast
sqlite3.c:43607: error: 'MAP_FAILED' undeclared (first use in this function)
sqlite3.c: In function 'unixOpen':
sqlite3.c:44963: error: 'F_OK' undeclared (first use in this function)
sqlite3.c:44963: warning: passing argument 2 of '(int (*)(const char *, int))aSyscall[2].pCurrent' makes integer from pointer without a cast
sqlite3.c: In function 'unixAccess':
sqlite3.c:45168: error: 'W_OK' undeclared (first use in this function)
sqlite3.c:45168: error: 'R_OK' undeclared (first use in this function)
sqlite3.c:45168: error: invalid operands to binary |
sqlite3.c:45168: warning: passing argument 2 of '(int (*)(const char *, int))aSyscall[2].pCurrent' makes integer from pointer without a cast
*** Error 1 in /home/tim/src/3rd/sqlcipher (Makefile:801 'sqlite3.lo')

diff --git a/src/crypto_impl.c b/src/crypto_impl.c
index c7214ed..0baff69 100644
--- a/src/crypto_impl.c
+++ b/src/crypto_impl.c
@@ -35,10 +35,10 @@
 #include "crypto.h"
 #ifndef OMIT_MEMLOCK
 #if defined(__unix__) || defined(__APPLE__) || defined(_AIX)
-#include <errno.h>
-#include <unistd.h>
-#include <sys/resource.h>
-#include <sys/mman.h>
+#include <errno.h> /* amalgamator: dontcache */
+#include <unistd.h> /* amalgamator: dontcache */
+#include <sys/resource.h> /* amalgamator: dontcache */
+#include <sys/mman.h> /* amalgamator: dontcache */
 #elif defined(_WIN32)
 #include <windows.h>
 #endif