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authorRich Felker <dalias@aerifal.cx>2014-05-19 10:33:28 -0400
committerRich Felker <dalias@aerifal.cx>2014-05-19 10:33:28 -0400
commit9ca4dae5d895cf816eb1815511aba77a90f6acd7 (patch)
treeab6fcd96de8f74bfa9a1168071c804c1b9007edd /crt/crt1.c
parent8a2d8719873a46d5cc5c54e688d47ea134c67c84 (diff)
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add configure check for broken gcc 4.9.0 and possibly other versions
this is gcc bug #61144. the broken compiler is detected, but the user
must manually work around it. this is partly to avoid complex logic
for adding workaround CFLAGS and attempting to recheck with them, and
partly for the sake of letting the user know the compiler is broken
(since the workaround will result in less-efficient code production).

some refactoring was also needed to move the check for gcc outside of
the check for whether to build the compiler wrapper.
Diffstat (limited to 'crt/crt1.c')
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