diff options
Diffstat (limited to 'm4/sqlite-auto-extension.m4')
| -rw-r--r-- | m4/sqlite-auto-extension.m4 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/m4/sqlite-auto-extension.m4 b/m4/sqlite-auto-extension.m4 new file mode 100644 index 000000000..60cee93c8 --- /dev/null +++ b/m4/sqlite-auto-extension.m4 @@ -0,0 +1,40 @@ +AC_DEFUN([AX_SQLITE_AUTO_EXTENSION], +[ + AC_REQUIRE([AC_PROG_CC]) + + OLD_CFLAGS="$CFLAGS" + OLD_LDFLAGS="$LDFLAGS" + OLD_LIBS="$LIBS" + CFLAGS="$SQLITE3_CFLAGS" + LDFLAGS="$SQLITE3_LDFLAGS" + LIBS="$SQLITE3_LIBS" + + AC_CHECK_HEADERS([sqlite3.h]) + + AC_CACHE_CHECK([whether SQLite3 has extension loading enabled], + [ax_cv_sqlite_auto_extension], + [ + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[#include <sqlite3.h> + static int initialized = 0; + int extEntryPoint(sqlite3 *db, const char **err, void **api){ + initialized = 1; + if (api != 0 && *api != 0) + return SQLITE_OK; + return SQLITE_ERROR; + }]], + [[sqlite3 *db; + int rc; + sqlite3_auto_extension((void (*)(void))extEntryPoint); + rc = sqlite3_open(":memory:", &db); + if (rc!=SQLITE_OK) return -1; + if (initialized==0) return -1]])], + [ax_cv_sqlite_auto_extension=yes], + [ax_cv_sqlite_auto_extension=no], + [ax_cv_sqlite_auto_extension=no])]) + + CFLAGS="$OLD_CFLAGS" + LDFLAGS="$OLD_LDFLAGS" + LIBS="$OLD_LIBS" +]) + |