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-rw-r--r--Utilities/cmlibarchive/CMakeLists.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/CMakeLists.txt b/Utilities/cmlibarchive/CMakeLists.txt
index 9689b28..2352693 100644
--- a/Utilities/cmlibarchive/CMakeLists.txt
+++ b/Utilities/cmlibarchive/CMakeLists.txt
@@ -75,6 +75,10 @@ IF(WIN32)
SET(_WIN32_WINNT ${WINVER})
ENDIF(WIN32)
+IF("${CMAKE_C_PLATFORM_ID}" MATCHES "^(HP-UX)$")
+ ADD_DEFINITIONS(-D_XOPEN_SOURCE=500) # Ask wchar.h for mbstate_t
+ENDIF()
+
#
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckCSourceRuns)