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package/Makefile.in: only error out when no C library is configured when building

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Commit fda53f0791 ("package/Makefile.in:
add detection for the lack of C library") added an $(error ...)
message when no C library is available for the currently selected
architecture.

However, this error message pops up not just when building, so for
example, the command:

  make BR2_HAVE_DOT_CONFIG=y VARS=%_LICENSE printvars

no longer works (this command is used by the pkg-stats script).

We restore a functional behavior by doing the check only when
BR_BUILDING=y.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit d349d50dac)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni
2022-08-21 21:01:52 +02:00
committed by Peter Korsgaard
parent 7a4169c374
commit fb36908ce9
1 changed files with 1 additions and 1 deletions
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package/Makefile.in
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@@ -53,7 +53,7 @@ else ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
LIBC = musl
else ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
LIBC = gnu
else
else ifeq ($(BR_BUILDING),y)
# This happens if there is a bug in Buildroot that allows an
# architecture configuration that isn't supported by any library.
$(error No C library enabled, this is not possible.)