Description:
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Hello,
I have downloaded the PDO Sqlite source from https://pecl.php.net/get/PDO_SQLITE-1.0.1.tgz

When i run make, the gcc compiler gives an error saying it cannot find a .c source file referenced by the Makefile:

make: *** No rule to make target `../sqlite/src/complete.c', needed by `complete.lo'. Stop.

Indeed that file does not exists.
These are the only files in the sqlite/src subfolder:

alter.c hash.h os_unix.c shell.c util.c
analyze.c insert.c os_unix.h sqlite.h.in vacuum.c
attach.c keywordhash.h os_win.c sqliteInt.h vdbeapi.c
auth.c legacy.c os_win.h table.c vdbeaux.c
btree.c main.c pager.c tclsqlite.c vdbe.c
btree.h md5.c pager.h test1.c vdbefifo.c
build.c opcodes.c parse.c test2.c vdbe.h
callback.c opcodes.h parse.h test3.c vdbeInt.h
date.c os_common.h parse.y test4.c vdbemem.c
delete.c os.h pragma.c test5.c where.c
experimental.c os_mac.c prepare.c tokenize.c
expr.c os_mac.h printf.c trigger.c
func.c os_test.c random.c update.c
hash.c os_test.h select.c utf.c

Steps i've done:

- extracted the tarball
- created the build-sqlite subfolder and entered into it
- i've run ../sqlite/configure
- i've run make

Expected result:
----------------
I intend to compile the .so library to be used by Apache's PHP module.
Target PHP version: 7.1

I have tried installing it via the command

sudo apt-get install php7.1-sqlite3 

but it didn't work.
It printed an error saying it could not locate the php7.1-sqlite3 package,
so i have decided to compile it by myself manually.