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@@ -74,14 +74,7 @@ AC_ARG_WITH([system-llvm], AC_HELP_STRING([--with-system-llvm],
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if test "x$llvmconfig" != "x"; then
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llvmver=`$llvmconfig --version`
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- AC_SUBST(LLVMCONFIG_CXXFLAGS, [`$llvmconfig --cxxflags`])
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- AC_SUBST(LLVMCONFIG_LDFLAGS, [`$llvmconfig --ldflags`])
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- AC_SUBST(LLVMCONFIG_LIBS, [`$llvmconfig --libs jit nativecodegen scalaropts ipo`])
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- AC_SUBST(LLVMCONFIG_LIBFILES, [`$llvmconfig --libfiles jit nativecodegen scalaropts ipo`])
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AC_MSG_NOTICE([Using external LLVM])
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- AC_MSG_NOTICE([CXXFLAGS from llvm-config: $LLVMCONFIG_CXXFLAGS])
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- AC_MSG_NOTICE([LDFLAGS from llvm-config: $LLVMCONFIG_LDFLAGS])
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- AC_MSG_NOTICE([LIBS from llvm-config: $LLVMCONFIG_LIBS])
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fi
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])
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@@ -117,6 +110,23 @@ else
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AC_MSG_RESULT([ok ($llvmver)])
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fi
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+dnl aquire the required flags to properly link in external LLVM
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+if test "x$llvmconfig" != "x"; then
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+ AC_SUBST(LLVMCONFIG_CXXFLAGS, [`$llvmconfig --cxxflags`])
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+ if test $llvmver_test -ge 350; then
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+ dnl LLVM 3.5.0 and after splits linker flags into two sets
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+ ldflags=`$llvmconfig --ldflags`
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+ syslibs=`$llvmconfig --system-libs`
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+ AC_SUBST(LLVMCONFIG_LDFLAGS, ["$ldflags $syslibs"])
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+ else
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+ AC_SUBST(LLVMCONFIG_LDFLAGS, [`$llvmconfig --ldflags`])
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+ fi
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+ AC_SUBST(LLVMCONFIG_LIBS, [`$llvmconfig --libs jit nativecodegen scalaropts ipo`])
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+ AC_SUBST(LLVMCONFIG_LIBFILES, [`$llvmconfig --libfiles jit nativecodegen scalaropts ipo`])
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+ AC_MSG_NOTICE([CXXFLAGS from llvm-config: $LLVMCONFIG_CXXFLAGS])
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+ AC_MSG_NOTICE([LDFLAGS from llvm-config: $LLVMCONFIG_LDFLAGS])
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+ AC_MSG_NOTICE([LIBS from llvm-config: $LLVMCONFIG_LIBS])
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+fi
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dnl patch does not affect clamav source (yet)
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llvmver_int=${llvmver_major}${llvmver_minor}
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