http://www.llvm.org/bugs/show_bug.cgi?id=6388
Summary: AC_HUGE_VAL_CHECK overwrite CXXFLAGS
Product: Build scripts
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: autoconf
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Estimated Hours: 0.0
Created an attachment (id=4283)
--> (http://www.llvm.org/bugs/attachment.cgi?id=4283)
Fix AC_HUGE_VAL_CHECK macro
While trying to add flags needed to build LLVM with atomic gcc builtins, I've
found a problem in the AC_HUGE_VAL_CHECK test defined in
autoconf/m4/huge_val.m4 .
The test sets CXXFLAGS to -pedantic and does not restore the previous value of
CXXFLAGS.
Here is a patch that fix the behavor of the test.
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