Retrieved from nixpkgs.

This causes pahole to use '-j1' (single thread) when SOURCE_DATE_EPOCH
is set, to ensure it produces reproducible output.

diff --git a/pahole.c b/pahole.c
index 6fc4ed6..a4e306f 100644
--- a/pahole.c
+++ b/pahole.c
@@ -1687,8 +1687,11 @@ static error_t pahole__options_parser(int key, char *arg,
 		  class_name = arg;			break;
 	case 'j':
 #if _ELFUTILS_PREREQ(0, 178)
-		  conf_load.nr_jobs = arg ? atoi(arg) :
-					    sysconf(_SC_NPROCESSORS_ONLN) * 1.1;
+		  // Force single thread if reproducibility is desirable.
+		  if (!getenv("SOURCE_DATE_EPOCH")) {
+			  conf_load.nr_jobs = arg ? atoi(arg) :
+						    sysconf(_SC_NPROCESSORS_ONLN) * 1.1;
+		  }
 #else
 		  fputs("pahole: Multithreading requires elfutils >= 0.178. Continuing with a single thread...\n", stderr);
 #endif
pts</option>
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<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=b186a8c52b9491d9cafa206335597cf577a9c2cf'>root</a>/<a href='/guix/log/gnu?id=b186a8c52b9491d9cafa206335597cf577a9c2cf'>gnu</a>/<a href='/guix/log/gnu/bootloader?id=b186a8c52b9491d9cafa206335597cf577a9c2cf'>bootloader</a>/<a href='/guix/log/gnu/bootloader/u-boot.scm?id=b186a8c52b9491d9cafa206335597cf577a9c2cf'>u-boot.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/bootloader/u-boot.scm?id=b186a8c52b9491d9cafa206335597cf577a9c2cf&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-04-20 19:13:35 -0700'>2020-04-20</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=5327b399a875a00304ccc1e6ece7190f26113539'>gnu: Add u-boot-pinebook-pro-rk3399.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/bootloaders (u-boot-pinebook-pro-rk3399): New variable.
* gnu/packages/patches/u-boot-DT-for-Pinebook-Pro.patch: New file.
* gnu/packages/patches/u-boot-add-boe-nv140fhmn49-display.patch: New file.
* gnu/packages/patches/u-boot-gpio-keys-binding-cons.patch: New file.
* gnu/packages/patches/u-boot-leds-common-binding-con.patch: New file.
* gnu/packages/patches/u-boot-support-Pinebook-Pro-laptop.patch: New file.
* gnu/packages/patches/u-boot-video-rockchip-fix-build.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add new patches.
* gnu/bootloader/u-boot.scm (install-pinebook-pro-rk3399-u-boot,
  u-boot-pinebook-pro-rk3399-bootloader): New variable.

Co-authored-by: Jan Nieuwenhuizen &lt;janneke@gnu.org&gt;
</span></span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2020-02-02 00:37:27 +0100'>2020-02-02</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=079901d7df24d4edda8e67d0d13ce966d225208f'>gnu: Add u-boot-cubietruck-bootloader.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/bootloader/u-boot.scm (u-boot-cubietrack-bootloader): New
variable.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2019-12-14 17:41:10 +0100'>2019-12-14</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=94de8d0a7f54de4396b9a5954126460278a4c808'>gnu: Add u-boot-pine64-lts-bootloader.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/bootloader/u-boot.scm (u-boot-pine64-lts-bootloader): New variable.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2019-10-18 15:48:18 -0700'>2019-10-18</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=545ff7b7841ddae9c73345ab5c6af42aadbda6e3'>gnu: Add u-boot-firefly-rk3399.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/bootloaders (u-boot-firefly-rk3399): New variable.
* gnu/bootloader/u-boot (install-firefly-rk3399-u-boot): New variable.
  (u-boot-firefly-rk3399-bootloader): New variable.
* gnu/system/install (define firefly-rk3399-installation-os): New variable.
</span></span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2019-10-18 13:32:25 -0700'>2019-10-18</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=2fce14af242298a352ed244c192017c922244506'>gnu: Add u-boot-rock64-rk3328.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/bootloaders (u-boot-rock64-rk3328): New variable.
* gnu/bootloader/u-boot (install-rock64-rk3328-u-boot): New variable.
  (u-boot-rock64-rk3328-bootloader): New variable.
* gnu/system/install (define rock64-installation-os): New variable.
</span></span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2019-10-18 13:32:09 -0700'>2019-10-18</span></td><td><a href='/guix/commit/gnu/bootloader/u-boot.scm?id=fa7470189eed39ae863f8f269fd3ef29bb084f16'>gnu: Add u-boot-rockpro64-rk3399</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/bootloaders.scm (u-boot-rockpro64-rk3399): New exported
  variable.
  (u-boot-2019.10): New variable.
* gnu/bootloader/u-boot.scm (u-boot-rockpro64-rk3399-bootloader): New exported
  variable.
  (install-rockpro64-rk3399-u-boot): New variable.
* gnu/system/install.scm (rockpro64-installation-os): New exported variable.

Adjusted-by: Vagrant Cascadian &lt;vagrant@debian.org&gt;
Signed-off-by: Caliph Nomble &lt;nomble@palism.com&gt;
Signed-off-by: Vagrant Cascadian &lt;vagrant@debian.org&gt;
</span></span></td><td>Caliph Nomble</td></tr>