From 7838048f43ddcc17ef5762675f2060d5afa1bc70 Mon Sep 17 00:00:00 2001

From: Alexey Gladkov <legion@altlinux.org>

Date: Tue, 31 Mar 2020 23:53:12 +0300

Subject: [PATCH] ALT: job_slots

Signed-off-by: Alexey Gladkov <legion@altlinux.org>

---

 make/src/main.c | 15 +++++++++++++++

 1 file changed, 15 insertions(+)

diff --git a/make/src/main.c b/make/src/main.c

index 78a27d7..8b08620 100644

--- a/make/src/main.c

+++ b/make/src/main.c

@@ -2070,6 +2070,21 @@ main (int argc, char **argv, char **envp)

       arg_job_slots = INVALID_JOB_SLOTS;

       job_slots = 1;

     }

+#else

+# if defined(PIPE_BUF)

+#  define MAX_JOB_SLOTS PIPE_BUF

+# elif defined(_POSIX_PIPE_BUF)

+#  define MAX_JOB_SLOTS _POSIX_PIPE_BUF

+# else

+#  define MAX_JOB_SLOTS 512

+# endif

+  if (job_slots > MAX_JOB_SLOTS)

+    {

+      O (error, NILF,

+             _("Requested more parallel jobs (-jN) than this platform can handle."));

+      O (error, NILF, _("Resetting to single job (-j1) mode."));

+      job_slots = 1;

+    }

 #endif

   /* If we have >1 slot at this point, then we're a top-level make.

-- 

2.24.1