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PTHREAD_CFLAGS provided by AX_PTHREAD where best to be attached?
From: |
Dudziak Krzysztof |
Subject: |
PTHREAD_CFLAGS provided by AX_PTHREAD where best to be attached? |
Date: |
Thu, 12 Jul 2018 15:51:21 +0000 |
Hi,
For makefiles which build piece of software in two separate steps: compilation
then linking,
will it be better to attach PTHREAD_CFLAGS to higher-level_CPPFLAGS than to
higher-level_CFLAGS variable?
Autotools along with libtool are used here, user-level variables (CFLAGS,
CPPFLAGS) are not manipulated through whole build chain.
I can manipulate variables only at Makefile.am -level.
I learned gcc expects -pthread option which translates among others to some
preprocessor define,
therefore I wonder if it won't be better to attach PTHREAD_CFLAGS to
higher-level_CPPFLAGS rather than
to higher-level_CFLAGS.
Regarding PTHREAD_CFLAGS the AC_PTHREAD manual talks about CFLAGS, not about
CPPFLAGS.
I guess attaching to ..._CFLAGS would be fine if building is made in one single
step.
Thanks
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- PTHREAD_CFLAGS provided by AX_PTHREAD where best to be attached?,
Dudziak Krzysztof <=