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package("openmp")
set_homepage("https://openmp.org/")
set_description("The OpenMP API specification for parallel programming")
add_configs("runtime", {description = "Set OpenMP runtime for gcc/clang like compilers.", default = "default", type = "string", values = {"default", "custom"}})
add_configs("feature", {description = "Set OpenMP feature for msvc.", default = "default", type = "string", values = {"default", "experimental", "llvm"}})
on_load(function (package)
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if package.has_tool then
for _, toolkind in ipairs({"cc", "cxx", "fc"}) do
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if package:config("runtime") == "default" then
if package:has_tool(toolkind, "clang", "clangxx") then
package:add("deps", "libomp")
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end
end
end
end
end)
on_fetch(function (package)
for _, dep in ipairs(package:orderdeps()) do
if not dep:fetch() then
return
end
end
local result = {}
if package.has_tool then
for _, toolkind in ipairs({"cc", "cxx", "fc"}) do
if toolkind == "cxx" then
flagname = "cxxflags"
elseif toolkind == "fc" then
flagname = "fcflags"
else
flagname = "cflags"
end
if package:has_tool(toolkind, "cl", "clang_cl") then
if package:config("feature") == "default" then
result[flagname] = "/openmp"
else
result[flagname] = "/openmp:" .. package:config("feature")
end
if package:has_tool(toolkind, "clang_cl") then
result.links = "libomp"
end
elseif package:has_tool(toolkind, "clang", "clangxx") then
if package:is_plat("macosx") then
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result[flagname] = "-Xpreprocessor -fopenmp"
else
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result[flagname] = "-fopenmp"
end
elseif package:has_tool(toolkind, "gcc", "gxx", "gfortran") then
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result[flagname] = "-fopenmp"
elseif package:has_tool(toolkind, "icc", "icpc", "ifort") then
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result[flagname] = "-qopenmp"
elseif package:has_tool(toolkind, "icl") then
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result[flagname] = "-Qopenmp"
end
if package:config("runtime") == "default" then
if package:has_tool(toolkind, "clang", "clangxx") then
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if not package:is_plat("macosx") then
result.ldflags = "-fopenmp"
end
elseif package:has_tool(toolkind, "gcc", "gxx", "gfortran") then
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result.ldflags = "-fopenmp"
elseif package:has_tool(toolkind, "icc", "icpc") then
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result.ldflags = "-qopenmp"
elseif package:has_tool(toolkind, "icl") then
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result.ldflags = "-Qopenmp"
end
end
if package:config("runtime") == "custom" then
if package:has_tool(toolkind, "cl") then
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result.ldflags = "/nodefaultlib:vcomp"
end
end
end
else
raise("This package(openmp) requires xmake version 2.6.1 or newer.")
end
return (result.cflags or result.cxxflags or result.fcflags) and result
end)
on_install("linux", "macosx", "windows", "mingw@msys", function (package)
-- we need not install anything because we need only compiler flags and deps
end)
on_test(function (package)
assert(package:check_csnippets({test = [[
#include <stdio.h>
#include <omp.h>
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#ifndef _OPENMP
# error missing openmp flags
#endif
static void test() {
#pragma omp parallel
{
printf("hello %d\n", omp_get_thread_num());
}
}
]]}))
end)