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Fix Appveyor build.

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Change the openssl-devel package to libssl-devel.  Cygwin still has an
"obsolete" (essentially virtual) package for openssl-devel, but it
doesn't seem to work properly on Appveyor's Cygwin install.

Protobuf >= 3.6.0 requires C++11, which I added support for last year.
But when I did that, I requested strict ANSI C++ compatibility, which
causes Cygwin/newlib's libc feature test macros to be set to disable
(at least) POSIX.1 extensions.  Let the Autoconf macro use its default
instead (prefer GNU/extended C++, accept anything).
This commit is contained in:
John Hood
2019-07-09 20:38:51 -04:00
parent 335e3869b7
commit b1da700535
2 changed files with 4 additions and 3 deletions
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configure.ac
+2 -1
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@@ -20,8 +20,9 @@ AS_IF([test x"$PROTOC" = x],
# automake 1.12 seems to require this, but automake 1.11 doesn't recognize it
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
# Protobuf 3.6+ requires C++11.
AS_IF([pkg-config --atleast-version 3.6.0 protobuf],
[AX_CXX_COMPILE_STDCXX([11], [noext])])
[AX_CXX_COMPILE_STDCXX([11])])
WARNING_CXXFLAGS=""
PICKY_CXXFLAGS=""