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allow building without sqlite3

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Changelog-Changed: build: SQLite3 is no longer a hard build requirement. C-Lightning can now be built to support only the PostgreSQL back-end.
This commit is contained in:
Matt Whitlock
2020-08-29 04:13:52 -04:00
committed by Christian Decker
parent c1aa33a62a
commit abbc712afb
7 changed files with 34 additions and 14 deletions
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16
tools/headerversions.c
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@@ -1,5 +1,6 @@
/* Updates the given file if any library versions have changed. This
* is important for systemwide updates, such as sqlite3. */
#include "config.h"
#include <ccan/err/err.h>
#include <ccan/read_write_all/read_write_all.h>
#include <ccan/tal/grab_file/grab_file.h>
@@ -7,7 +8,12 @@
#include <errno.h>
#include <fcntl.h>
#include <gmp.h>
#include <sqlite3.h>
#if HAVE_SQLITE3
# include <sqlite3.h>
# define IF_SQLITE3(...) __VA_ARGS__
#else
# define IF_SQLITE3(...)
#endif
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
@@ -16,19 +22,21 @@
static const char template[] =
"/* Generated file by tools/headerversions, do not edit! */\n"
"/* GMP version: %s */\n"
"/* SQLITE3 version: %u */\n"
IF_SQLITE3("/* SQLITE3 version: %u */\n")
"/* ZLIB version: %s */\n"
"#include <ccan/err/err.h>\n"
"#include <gmp.h>\n"
"#include <sqlite3.h>\n"
IF_SQLITE3("#include <sqlite3.h>\n")
"#include <zlib.h>\n"
"\n"
"static inline void check_linked_library_versions(void)\n"
"{\n"
" char compiled_gmp_version[100];\n"
IF_SQLITE3(
" if (SQLITE_VERSION_NUMBER != sqlite3_libversion_number())\n"
" errx(1, \"SQLITE version mismatch: compiled %%u, now %%u\",\n"
" SQLITE_VERSION_NUMBER, sqlite3_libversion_number());\n"
)
" /* zlib documents that first char alters ABI. Kudos! */\n"
" if (zlibVersion()[0] != ZLIB_VERSION[0])\n"
" errx(1, \"zlib version mismatch: compiled %%s, now %%s\",\n"
@@ -60,7 +68,7 @@ int main(int argc, char *argv[])
new = tal_fmt(NULL, template,
gmp_version,
sqlite3_libversion_number(),
IF_SQLITE3(sqlite3_libversion_number(),)
zlibVersion());
if (!file || !streq(new, file)) {
int fd = open(argv[1], O_TRUNC|O_WRONLY|O_CREAT, 0666);