From 47a19b96561f42dc216a30fdb4b9e21b89d04278 Mon Sep 17 00:00:00 2001 From: Alexey Sheplyakov Date: Mon, 12 Jul 2021 16:38:06 +0400 Subject: [PATCH] Revert "Skip distributing LTO cc invocations" This reverts commit 8dacd28d888210753e9457eb31175d8e2a1c348e. The "LTO invocations are not worth distributing" statement is in general wrong. GCC generates the (target) machine code for every compilation unit even with `-flto` (so it makes sense to distribute these). And the whole program analysis is not guaranteed to be the bottleneck of the build. As a matter of fact distributing LTO compilations reduces the build time of LLVM/clang, GCC, and other programs (especially C++ ones). Closes: #428 --- src/arg.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/src/arg.c b/src/arg.c index 73ff707f..6ca5130e 100644 --- a/src/arg.c +++ b/src/arg.c @@ -189,9 +189,6 @@ int dcc_scan_args(char *argv[], char **input_file, char **output_file, rs_trace("-mtune=native optimizes for local machine; " "must be local"); return EXIT_DISTCC_FAILED; - } else if (!strcmp(a, "-flto")) { - rs_trace("LTO cc invocations are not worth distributing"); - return EXIT_DISTCC_FAILED; } else if (str_startswith("-Wa,", a)) { /* Look for assembler options that would produce output * files and must be local.