libphobos: Define main function as extern(C) when compiling without D runtime (PR102476)
The default supplied main function as read when compiling with `-fmain' has extern(D) linkage. However this does not work when mixing this option together with `-fno-druntime'. PR d/102476 gcc/testsuite/ChangeLog: * gdc.dg/pr102476.d: New test. libphobos/ChangeLog: * libdruntime/__main.di: Define main function as extern(C) when compiling without D runtime.
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// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102476
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// { dg-do link }
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// { dg-options "-fmain -fno-druntime" }
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@ -20,7 +20,17 @@
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module __main;
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int main(char[][])
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version (D_BetterC)
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{
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return 0;
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extern (C) int main(int, char**)
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{
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return 0;
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}
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}
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else
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{
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int main(char[][])
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{
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return 0;
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}
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}
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