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Make it compile on cygwin in c++11 mode

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When using -std=c++11, the cygwin compiler automatically defines
__STRICT_ANSI__ which is used as a guard for not declaring essential
unix standard calls such as setenv, popen, etc. As a result,
compilation stops with errors such as "xxxx has not been declared".
By undefining the guard, compilation succeeds and lyx works Ok.
This commit is contained in:
Enrico Forestieri 2015-09-09 01:54:49 +02:00
parent e626184fd0
commit bde1bee24e
1 changed files with 2 additions and 1 deletions
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3
config/lyxinclude.m4
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@ -362,7 +362,8 @@ if test x$GXX = xyes; then
dnl the deprecated-register warning is very annoying with Qt4.x right now.
AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11 -Wno-deprecated-register";;
*)
AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11";;
AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11"
AS_CASE([$host], [*cygwin*], [AM_CXXFLAGS="$AM_CXXFLAGS -U__STRICT_ANSI__"]);;
esac
fi