CMAKE / msvc openmp, delay loading of openmp dll so we can set environment

variable before it is loaded
This commit is contained in:
Martijn Berger 2016-03-31 13:45:33 +02:00
parent e2059380de
commit 4ec95d621a
2 changed files with 16 additions and 0 deletions

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@ -1308,6 +1308,17 @@ elseif(WIN32)
set(PLATFORM_LINKFLAGS_DEBUG "/IGNORE:4099 /NODEFAULTLIB:libcmt.lib /NODEFAULTLIB:libc.lib")
# Use dynamic loading for OpenMP
if(WITH_OPENMP)
if(MSVC_VERSION EQUAL 1800)
set(OPENMP_DLL_NAME "vcomp120")
else()
set(OPENMP_DLL_NAME "vcomp140")
endif()
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} /DELAYLOAD:${OPENMP_DLL_NAME}.dll delayimp.lib")
set(PLATFORM_LINKFLAGS_DEBUG "${PLATFORM_LINKFLAGS_DEBUG} /DELAYLOAD::${OPENMP_DLL_NAME}d.dll delayimp.lib")
endif()
if(NOT DEFINED LIBDIR)
# Setup 64bit and 64bit windows systems

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@ -205,6 +205,11 @@ int main(
#ifdef WIN32
/* We delay loading of openmp so we can set the policy here. */
# if defined(_MSC_VER)
_putenv_s("OMP_WAIT_POLICY", "PASSIVE");
# endif
/* FMA3 support in the 2013 CRT is broken on Vista and Windows 7 RTM (fixed in SP1). Just disable it. */
# if defined(_MSC_VER) && defined(_M_X64)
_set_FMA3_enable(0);