cross-compiling.
Patch by Xerxes RĂ„nby!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81722
91177308-0d34-0410-b5e6-
96231b3b80d8
CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
endif( MSVC )
CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
endif( MSVC )
+set(LLVM_TARGET_ARCH "host"
+ CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
+
option(LLVM_ENABLE_THREADS "Use threads if available." ON)
if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
option(LLVM_ENABLE_THREADS "Use threads if available." ON)
if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
message(STATUS "LLVM_HOSTTRIPLE: ${LLVM_HOSTTRIPLE}")
# Determine the native architecture.
message(STATUS "LLVM_HOSTTRIPLE: ${LLVM_HOSTTRIPLE}")
# Determine the native architecture.
-# FIXME: this will have to change for cross-compiling.
-string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE})
+string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
+if( LLVM_NATIVE_ARCH STREQUAL "host" )
+ string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE})
+endif ()
+
if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
set(LLVM_NATIVE_ARCH X86)
if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
set(LLVM_NATIVE_ARCH X86)
-elseif (LLVM_NATIVE_ARCH STREQUAL amd64)
+elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
+ set(LLVM_NATIVE_ARCH X86)
+elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
set(LLVM_NATIVE_ARCH X86)
set(LLVM_NATIVE_ARCH X86)
-elseif (LLVM_NATIVE_ARCH STREQUAL x86_64)
+elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
set(LLVM_NATIVE_ARCH X86)
elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
set(LLVM_NATIVE_ARCH Sparc)
set(LLVM_NATIVE_ARCH X86)
elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
set(LLVM_NATIVE_ARCH Sparc)
option is available only on some 64-bits unix systems. Defaults to
OFF.</dd>
option is available only on some 64-bits unix systems. Defaults to
OFF.</dd>
+ <dt><b>LLVM_TARGET_ARCH</b>:STRING</dt>
+ <dd>LLVM target to use for native code generation. This is required
+ for JIT generation. It defaults to "host", meaning that it shall
+ pick the architecture of the machine where LLVM is being built. If
+ you are cross-compiling, set it to the target architecture
+ name.</dd>
+
<dt><b>LLVM_TABLEGEN</b>:STRING</dt>
<dd>Full path to a native TableGen executable (usually
named <i>tblgen</i>). This is intented for cross-compiling: if the
<dt><b>LLVM_TABLEGEN</b>:STRING</dt>
<dd>Full path to a native TableGen executable (usually
named <i>tblgen</i>). This is intented for cross-compiling: if the
<a href="http://www.vtk.org/Wiki/CMake_Cross_Compiling#Information_how_to_set_up_various_cross_compiling_toolchains">this
section</a> for a quick solution.</p>
<a href="http://www.vtk.org/Wiki/CMake_Cross_Compiling#Information_how_to_set_up_various_cross_compiling_toolchains">this
section</a> for a quick solution.</p>
+<p>Also see the <a href="#llvmvars">LLVM-specific variables</a>
+ section for variables used when cross-compiling.</p>
+
</div>
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