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Diffstat (limited to 'gcc/config/rs6000/aix51.h')
-rw-r--r--gcc/config/rs6000/aix51.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/gcc/config/rs6000/aix51.h b/gcc/config/rs6000/aix51.h
index ce6ad1aedab..363fb5faf6f 100644
--- a/gcc/config/rs6000/aix51.h
+++ b/gcc/config/rs6000/aix51.h
@@ -108,13 +108,27 @@ do { \
#undef CPP_SPEC
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
%{ansi: -D_ANSI_C_SOURCE} \
- %{!maix64: -D__WCHAR_TYPE="short unsigned int"} \
- %{maix64: -D__64BIT__ -D_ARCH_PPC -D__WCHAR_TYPE="unsigned int" \
+ %{!maix64: -D__WCHAR_TYPE__="short unsigned int"} \
+ %{maix64: -D__64BIT__ -D_ARCH_PPC -D__WCHAR_TYPE__="unsigned int" \
-D__LONG_MAX__=9223372036854775807L} \
%{mpe: -I/usr/lpp/ppe.poe/include} \
%{pthread: -D_THREAD_SAFE} \
%(cpp_cpu)"
+/* The GNU C++ standard library requires that these macros be
+ defined. */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC \
+ "-D_XOPEN_SOURCE=500 \
+ -D_XOPEN_SOURCE_EXTENDED=1 \
+ -D_LARGE_FILE_API \
+ -D_ALL_SOURCE \
+ %{maix64: -D__64BIT__ -D_ARCH_PPC -D__WCHAR_TYPE="unsigned int" \
+ -D__LONG_MAX__=9223372036854775807L} \
+ %{mpe: -I/usr/lpp/ppe.poe/include}\
+ %{pthread: -D_THREAD_SAFE}\
+ %(cpp_cpu)"
+
/* Common CPP definitions used by CPP_SPEC among the various targets
for handling -mcpu=xxx switches. */
#undef CPP_CPU_SPEC
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