diff options
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 655b76ed6e6..182d0726c30 100644 --- a/configure.ac +++ b/configure.ac @@ -979,6 +979,10 @@ llvm_set_environment_variables() { LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir` LLVM_LIBDIR=`$LLVM_CONFIG --libdir` + # We need to respect LLVM_CFLAGS when compiling LLVM headers. + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $LLVM_CFLAGS" + AC_COMPUTE_INT([LLVM_VERSION_MAJOR], [LLVM_VERSION_MAJOR], [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"]) AC_COMPUTE_INT([LLVM_VERSION_MINOR], [LLVM_VERSION_MINOR], @@ -986,6 +990,8 @@ llvm_set_environment_variables() { AC_COMPUTE_INT([LLVM_VERSION_PATCH], [LLVM_VERSION_PATCH], [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"]) + CFLAGS="$save_CFLAGS" + # Only needed for LLVM < 3.6.0 if test -z "$LLVM_VERSION_PATCH"; then LLVM_VERSION_PATCH=0 |