[flang-commits] [flang] cbeae3e - [Flang] Fix libquadmath in non-LLVM_ENABLE_RUNTIMES build.

[Michael Kruse via flang-commits]

Author: Michael Kruse
Date: 2025-03-12T14:55:09+01:00
New Revision: cbeae3e117b8fb78e61ad7b49702a7d8033a529d

URL: https://github.com/llvm/llvm-project/commit/cbeae3e117b8fb78e61ad7b49702a7d8033a529d
DIFF: https://github.com/llvm/llvm-project/commit/cbeae3e117b8fb78e61ad7b49702a7d8033a529d.diff

LOG: [Flang] Fix libquadmath in non-LLVM_ENABLE_RUNTIMES build.

The LLVM_ENABLE_RUNTIMES build introduced a new configure-time header
quadmath_wrapper.h. Also create the header in non-LLVM_ENABLE_RUNTIMES
builds.

Added: 
    

Modified: 
    flang/runtime/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/flang/runtime/CMakeLists.txt b/flang/runtime/CMakeLists.txt
index fbd1e1e2cc56e..f9378d4ed4312 100644
--- a/flang/runtime/CMakeLists.txt
+++ b/flang/runtime/CMakeLists.txt
@@ -132,6 +132,12 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL")
   set(NO_RTTI_FLAGS "-qnoeh -qnortti")
 endif ()
 
+# When compiling LLVM_ENABLE_RUNTIMES=flang-rt, the build system looks for the
+# full path of quadmath.h. In this non-runtimes build, preserve the old behavior
+# of just including <quadmath.h>.
+set(FLANG_RT_INCLUDE_QUADMATH_H "<quadmath.h>")
+configure_file("${FLANG_RT_SOURCE_DIR}/cmake/quadmath_wrapper.h.in" "quadmath_wrapper.h")
+
 configure_file("${FLANG_RT_SOURCE_DIR}/cmake/config.h.cmake.in" config.h)
 # include_directories is used here instead of target_include_directories
 # because add_flang_library creates multiple objects (STATIC/SHARED, OBJECT)