Found the following significant warnings:
  asa.c:981:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:984:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:986:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:989:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:1020:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:1023:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:1025:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:1028:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:2785:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:2788:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:3767:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:3770:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:3772:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:3775:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6771:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6774:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6776:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6779:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6806:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6809:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6811:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6814:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6819:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6822:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6824:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
  asa.c:6827:2: warning: embedding a directive within macro arguments has undefined behavior [-Wembedded-directive]
See ‘/data/gannet/ripley/R/packages/tests-clang/OpenMx.Rcheck/00install.out’ for details.
* used C compiler: ‘clang version 18.1.8’
* used Fortran compiler: ‘flang-new version 18.1.8’
* used C++ compiler: ‘clang version 18.1.8’