[Buildroot] [PATCH] package/at: fix parallel build failure

[Yann E. MORIN]

Giulio, All,

On 2020-02-20 22:18 +0100, Giulio Benetti spake thusly:
> Add a patch to finally fix parallel build failure. Patch is pending
> upstream:
> https://salsa.debian.org/debian/at/merge_requests/14
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>

Applied to master, thanks.

Regards,
Yann E. MORIN.

> ---
>  ...-Makefile-fix-parallel-build-failure.patch | 41 +++++++++++++++++++
>  package/at/at.mk                              |  3 --
>  2 files changed, 41 insertions(+), 3 deletions(-)
>  create mode 100644 package/at/0004-Makefile-fix-parallel-build-failure.patch
> 
> diff --git a/package/at/0004-Makefile-fix-parallel-build-failure.patch b/package/at/0004-Makefile-fix-parallel-build-failure.patch
> new file mode 100644
> index 0000000000..6e3dc24ca4
> --- /dev/null
> +++ b/package/at/0004-Makefile-fix-parallel-build-failure.patch
> @@ -0,0 +1,41 @@
> +From 3ace0b57e2aacb784c01a3c7694c6c92461937ff Mon Sep 17 00:00:00 2001
> +From: Giulio Benetti <giulio.benetti at benettiengineering.com>
> +Date: Thu, 20 Feb 2020 22:00:11 +0100
> +Subject: [PATCH] Makefile: fix parallel build failure
> +
> +At the moment parallel build fails due to 2 causes:
> +1) parsetime.l tries to include incomplete y.tab.h, since y.tab.h is the
> +result of yacc -d parsetime.y
> +2) when compiling y.tab.c, y.tab.c itself is not complete, since it is
> +the result of yacc -d parsetime.y
> +
> +So fix it by:
> +1) making parsetime.l to wait for y.tab.h to be created by yacc
> +2) waiting for y.tab.c and y.tab.h to be created before compile them
> +
> +Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
> +---
> + Makefile.in | 3 +++
> + 1 file changed, 3 insertions(+)
> +
> +diff --git a/Makefile.in b/Makefile.in
> +index 4c11913..57c3a0c 100644
> +--- a/Makefile.in
> ++++ b/Makefile.in
> +@@ -83,6 +83,8 @@ y.tab.c y.tab.h: parsetime.y
> + lex.yy.c: parsetime.l
> + 	$(LEX) -i parsetime.l
> + 
> ++parsetime.l: y.tab.h
> ++
> + atd.service: atd.service.in
> + 	cat $< | sed -e 's![@]sbindir[@]!$(sbindir)!g' | sed -e 's![@]atjobdir[@]!$(atjobdir)!g' > $@
> + 
> +@@ -173,3 +175,4 @@ perm.o: perm.c config.h privs.h at.h
> + posixtm.o: posixtm.c posixtm.h
> + daemon.o: daemon.c config.h daemon.h privs.h
> + getloadavg.o: getloadavg.c config.h getloadavg.h
> ++y.tab.o: y.tab.c y.tab.h
> +-- 
> +2.20.1
> +
> diff --git a/package/at/at.mk b/package/at/at.mk
> index e0517af294..dbf649c0be 100644
> --- a/package/at/at.mk
> +++ b/package/at/at.mk
> @@ -7,9 +7,6 @@
>  AT_VERSION = 7c74fa1aece6bc6db351763dc012193d5d634b7e
>  AT_SITE = https://salsa.debian.org/debian/at.git
>  AT_SITE_METHOD = git
> -# Tried to add missing deps for parsetime.l but still parallel build fails
> -# in some case, so at the moment let's keep MAKE1
> -AT_MAKE = $(MAKE1)
>  AT_AUTORECONF = YES
>  AT_DEPENDENCIES = $(if $(BR2_PACKAGE_FLEX),flex) host-bison host-flex
>  AT_LICENSE = GPL-2.0+, GPL-3.0+, ISC
> -- 
> 2.20.1
> 
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