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configure: Add -U__STRICT_ANSI__ to CPPFLAGS on Cygwin and DOS.

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In -std=c99 mode GCC defines __STRICT_ANSI__ to hide non-ANSI interfaces.
This causes declarations for some POSIX functions to be omitted from system
headers, which causes compilation failures.
This commit is contained in:
Diego Biurrun 2011-05-15 14:32:15 +02:00
parent cef7d70181
commit a7a187a1be
1 changed files with 2 additions and 0 deletions
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2
configure vendored
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@ -2458,11 +2458,13 @@ case $target_os in
objformat="win32"
enable dos_paths
check_cflags -fno-common
add_cppflags -U__STRICT_ANSI__
;;
*-dos|freedos|opendos)
network_extralibs="-lsocket"
objformat="coff"
enable dos_paths
add_cppflags -U__STRICT_ANSI__
;;
linux)
add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600