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hot reload: no -sanitize is needed anymore, -live is now enough on both Linux and MacOS X

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* hot reload for GL programs: force the main executable (the shared library loader) to be build with -rdynamic flag, when -live is passed to v compiler.

* hot reload: optimize away a redundant load_so/0 call at the start of the reload_so thread.

* hot code reload for MacOSX requires -flat_namespace flag instead of -rdynamic (on linux).
This commit is contained in:
Delyan Angelov 2019-07-15 18:32:00 +03:00 committed by Alexander Medvednikov
parent 7c6f59afa6
commit 37aff9b107
2 changed files with 11 additions and 2 deletions
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11
compiler/main.v
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@ -390,7 +390,7 @@ int load_so(byteptr path) {
cgen.genln('return 1; } cgen.genln('return 1; }
void reload_so() { void reload_so() {
int last = 0; int last = os__file_last_mod_unix(tos2("$file"));
while (1) { while (1) {
// TODO use inotify // TODO use inotify
int now = os__file_last_mod_unix(tos2("$file")); int now = os__file_last_mod_unix(tos2("$file"));
@ -536,6 +536,15 @@ fn (v mut V) cc() {
else { else {
a << '-g' a << '-g'
} }
if v.pref.is_live || v.pref.is_so {
// See 'man dlopen', and test running a GUI program compiled with -live
if (v.os == .linux || os.user_os() == 'linux'){
a << '-rdynamic'
}
if (v.os == .mac || os.user_os() == 'mac'){
a << '-flat_namespace'
}
}
mut libs := ''// builtin.o os.o http.o etc mut libs := ''// builtin.o os.o http.o etc
if v.pref.build_mode == .build { if v.pref.build_mode == .build {
a << '-c' a << '-c'

2
examples/hot_code_reloading/bounce.v
View File

@ -1,5 +1,5 @@
// Build this example with // Build this example with
// v -live -sanitize bounce.v // v -live bounce.v
module main module main
import gx import gx