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[Support] Use HAVE_DLOPEN to guard dlopen(3) usage

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Summary:
The usage was previously guarded by HAVE_DLFCN. This breaks on Android with
LLVM_BUILD_STATIC as the platform does not provide a static version of libdl.
Using HAVE_DLOPEN fixes it as the code will only get used if we are actually able
to link an executable using dlopen.

Reviewers: rafael, beanz

Subscribers: tberghammer, danalbert, llvm-commits

Differential Revision: https://reviews.llvm.org/D26504

llvm-svn: 288246
This commit is contained in:
Pavel Labath 2016-11-30 15:34:29 +00:00
parent d2bc24d393
commit b6eaa31191
1 changed files with 2 additions and 2 deletions
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4
lib/Support/DynamicLibrary.cpp
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@ -41,7 +41,7 @@ char llvm::sys::DynamicLibrary::Invalid = 0;
#else
#if HAVE_DLFCN_H
#if defined(HAVE_DLFCN_H) && defined(HAVE_DLOPEN)
#include <dlfcn.h>
using namespace llvm;
using namespace llvm::sys;
@ -119,7 +119,7 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char *symbolName) {
return i->second;
}
#if HAVE_DLFCN_H
#if defined(HAVE_DLFCN_H) && defined(HAVE_DLOPEN)
// Now search the libraries.
if (OpenedHandles) {
for (DenseSet<void *>::iterator I = OpenedHandles->begin(),