diff options
| author | stephan <stephan@noemail.net> | 2024-03-04 09:56:47 +0000 |
|---|---|---|
| committer | stephan <stephan@noemail.net> | 2024-03-04 09:56:47 +0000 |
| commit | 2775f10ebcebc303fa18ab12bd1697ed0794fdcd (patch) | |
| tree | 68fde23cfb062d0e9aa002a65f3630c4938b2cdb /ext/wasm/api/sqlite3-api-prologue.js | |
| parent | bae55a768505c448384985a9cf9ddcd18c8107ca (diff) | |
| download | sqlite-2775f10ebcebc303fa18ab12bd1697ed0794fdcd.tar.gz sqlite-2775f10ebcebc303fa18ab12bd1697ed0794fdcd.zip | |
Document why the wasm build does not use Emscripten's -sSTRICT=1 flag and account for a behaviour change in emsdk 3.1.55 regarding the HEAPxyz symbols.
FossilOrigin-Name: f6e887203365b30cea6e9c145366345e48256a347388577edf2bada65e0655b7
Diffstat (limited to 'ext/wasm/api/sqlite3-api-prologue.js')
| -rw-r--r-- | ext/wasm/api/sqlite3-api-prologue.js | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/ext/wasm/api/sqlite3-api-prologue.js b/ext/wasm/api/sqlite3-api-prologue.js index 5fe587c14..c3cc25f43 100644 --- a/ext/wasm/api/sqlite3-api-prologue.js +++ b/ext/wasm/api/sqlite3-api-prologue.js @@ -137,8 +137,16 @@ globalThis.sqlite3ApiBootstrap = function sqlite3ApiBootstrap( bigIntEnabled: (()=>{ if('undefined'!==typeof Module){ /* Emscripten module will contain HEAPU64 when built with - -sWASM_BIGINT=1, else it will not. */ - return !!Module.HEAPU64; + -sWASM_BIGINT=1, else it will not. + + As of emsdk 3.1.55, when building in strict mode, HEAPxyz + are only available if _explicitly_ included in the exports, + else they are not. We do not (as of 2024-03-04) use -sSTRICT + for the canonical builds. + */ + if( !!Module.HEAPU64 ) return true; + /* Else fall through and hope for the best. Nobody _really_ + builds this without BigInt support, do they? */ } return !!globalThis.BigInt64Array; })(), |