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how to detect gcc version in configure.ac
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From: |
Minxuan Zhuang |
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Subject: |
how to detect gcc version in configure.ac |
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Date: |
Fri, 4 Jul 2014 13:38:42 +0800 |
a project needs to satisfy both gcc 4.1.2 and gcc 4.7.3, but some options
in the latter one(like -Wno-narrowing and Wno-unused-result) cannot be used
in the former one. So I need to test the cutrrent gcc version and decide
what can of option can be assigned to CFLAGS, sth like:
if gcc version == 4.1.2
CFLAGS＝．．．．
else
CFLAGS =.....
how can I implement it in configure.ac?
- how to detect gcc version in configure.ac,
Minxuan Zhuang <=