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| -rw-r--r-- | win32/Makefile | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/win32/Makefile b/win32/Makefile index 2f7c55ffe7..54def15820 100644 --- a/win32/Makefile +++ b/win32/Makefile @@ -452,6 +452,21 @@ OPTIMIZE = $(OPTIMIZE) -fp:precise DEFINES = $(DEFINES) -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE !ENDIF +# In VS 2005 (VC++ 8.0) Microsoft changes time_t from 32-bit to +# 64-bit, even in 32-bit mode. It also provides the _USE_32BIT_TIME_T +# preprocessor option to revert back to the old functionality for +# backward compatibility. We define this symbol here for older 32-bit +# compilers only (which aren't using it at all) for the sole purpose +# of getting it into $Config{ccflags}. That way if someone builds +# Perl itself with e.g. VC6 but later installs an XS module using VC8 +# the time_t types will still be compatible. +!IF "$(WIN64)" == "undef" +! IF "$(CCTYPE)" == "MSVC60" || \ + "$(CCTYPE)" == "MSVC70" || "$(CCTYPE)" == "MSVC70FREE" +BUILDOPT = $(BUILDOPT) -D_USE_32BIT_TIME_T +! ENDIF +!ENDIF + # Use the MSVCRT read() fix only when using VC++ 6.x or earlier. Later # versions use MSVCR70.dll, MSVCR71.dll, etc, which do not require the # fix. |