Steps to recreate:
1) wget -nd -nH -c -t 0 -w 1
http://www.sqlite.org/src/tarball/SQLite-bf1dc7907cf1a5c7.tar.gz?uuid=bf1dc7907cf1a5c7e19b04fa1278b2089316c30a
2) mv -v
SQLite-bf1dc7907cf1a5c7.tar.gz?uuid=bf1dc7907cf1a5c7e19b04fa1278b2089316c30a
SQLite-bf1dc7907cf1a5c7.tar.gz
3) tar -xzf SQLite-bf1dc7907cf1a5c7.tar.gz
4) cd SQLite-bf1dc7907cf1a5c7
5) ./configure --disable-tcl --disable-readline
6) Edit Makefile and set OPT_FEATURE_FLAGS:
OPT_FEATURE_FLAGS = -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS4 \
-DSQLITE_ENABLE_LOCKING_STYLE=0 -DSQLITE_ENABLE_MEMORY_MANAGEMENT \
-DSQLITE_ENABLE_MEMSYS5 -DSQLITE_ENABLE_STAT3 -DSQLITE_OMIT_ALTERTABLE \
-DSQLITE_OMIT_AUTOINIT -DSQLITE_OMIT_AUTOVACUUM -DSQLITE_OMIT_BUILTIN_TEST \
-DSQLITE_OMIT_COMPLETE -DSQLITE_OMIT_DATETIME_FUNCS \
-DSQLITE_OMIT_DEPRECATED -DSQLITE_OMIT_EXPLAIN -DSQLITE_OMIT_FOREIGN_KEY \
-DSQLITE_OMIT_GET_TABLE -DSQLITE_OMIT_LOAD_EXTENSION \
-DSQLITE_OMIT_SHARED_CACHE -DSQLITE_OMIT_TCL_VARIABLE -DSQLITE_OMIT_TRACE \
-DSQLITE_OMIT_TRIGGER -DSQLITE_OMIT_UTF16 -DSQLITE_THREADSAFE=0 \
-DSQLITE_ZERO_MALLOC
7) make sqlite3.c
8) Compile - gcc -c -Wall -DSQLITE_ENABLE_FTS3_PARENTHESIS \
-DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_LOCKING_STYLE=0 \
-DSQLITE_ENABLE_MEMORY_MANAGEMENT -DSQLITE_ENABLE_MEMSYS5 \
-DSQLITE_ENABLE_STAT3 -DSQLITE_OMIT_ALTERTABLE \
-DSQLITE_OMIT_AUTOINIT -DSQLITE_OMIT_AUTOVACUUM \
-DSQLITE_OMIT_BUILTIN_TEST -DSQLITE_OMIT_COMPLETE \
-DSQLITE_OMIT_DATETIME_FUNCS -DSQLITE_OMIT_DEPRECATED \
-DSQLITE_OMIT_EXPLAIN -DSQLITE_OMIT_FOREIGN_KEY \
-DSQLITE_OMIT_GET_TABLE -DSQLITE_OMIT_LOAD_EXTENSION \
-DSQLITE_OMIT_SHARED_CACHE -DSQLITE_OMIT_TCL_VARIABLE \
-DSQLITE_OMIT_TRACE -DSQLITE_OMIT_TRIGGER \
-DSQLITE_OMIT_UTF16 -DSQLITE_THREADSAFE=0 \
-DSQLITE_ZERO_MALLOC sqlite3.c
This will produce the following errors:
sqlite3.c:15236: error: redefinition of ‘sqlite3MemMalloc’
sqlite3.c:15096: note: previous definition of ‘sqlite3MemMalloc’ was here
sqlite3.c:15268: error: redefinition of ‘sqlite3MemFree’
sqlite3.c:15097: note: previous definition of ‘sqlite3MemFree’ was here
sqlite3.c:15283: error: redefinition of ‘sqlite3MemSize’
sqlite3.c:15099: note: previous definition of ‘sqlite3MemSize’ was here
sqlite3.c:15305: error: redefinition of ‘sqlite3MemRealloc’
sqlite3.c:15098: note: previous definition of ‘sqlite3MemRealloc’ was here
sqlite3.c:15337: error: redefinition of ‘sqlite3MemRoundup’
sqlite3.c:15100: note: previous definition of ‘sqlite3MemRoundup’ was here
sqlite3.c:15344: error: redefinition of ‘sqlite3MemInit’
sqlite3.c:15101: note: previous definition of ‘sqlite3MemInit’ was here
sqlite3.c:15380: error: redefinition of ‘sqlite3MemShutdown’
sqlite3.c:15102: note: previous definition of ‘sqlite3MemShutdown’ was here
sqlite3.c:15391: error: redefinition of ‘sqlite3MemSetDefault’
sqlite3.c:15110: note: previous definition of ‘sqlite3MemSetDefault’ was
here
These errors prevent linking, however when -DSQLITE_ZERO_MALLOC is
removed from the gcc command line the compile is successful. From the
documentation I believe the combination of -DSQLITE_ZERO_MALLOC and
-DSQLITE_ENABLE_MEMSYS5 should be valid.
I also tired compiling without -DSQLITE_ENABLE_MEMSYS5 and with
-DSQLITE_ZERO_MALLOC and this produced the same errors. I believe this
is incorrect and the file should compile and link, allowing me to
specify a malloc routine at run time with
sqlite3_config(SQLITE_CONFIG_MALLOC,...).
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