Pinging this. The latch fixed this problem in w64devkit https://github.com/skeeto/w64devkit/issues/395
So I'm sure it's correct. May 28, 2026 10:14:48 PM Peter Damianov <[email protected]>: > The custom gfortran detection logic in libgomp's configure uses > "test -x" to check whether the $GFORTRAN program is executable. > However, "test -x" only succeeds for absolute or relative paths that > name an existing file; it fails for bare program names (e.g. > "x86_64-w64-mingw32-gfortran") that are found via $PATH lookup. > > This causes FC to be incorrectly set to "no" in cross-compilation > environments where $GFORTRAN is a bare command name rather than a > full path. As a result, the Fortran OpenMP module (omp_lib.mod) is > never installed, and programs that "use omp_lib" fail with: > > Fatal Error: Cannot open module file 'omp_lib.mod' for reading > > The fix adds a "command -v" fallback for testing whether a command > is available on $PATH. > > The bug was introduced in r0-98199-g2122aa973ed > (2010-01-26), so the Fortran OpenMP module has been missing from > cross-compiled installs for 16 years. > > libgomp/ChangeLog: > > * configure.ac: Also accept $GFORTRAN when it can be found > via PATH lookup using "command -v", not only when "test -x" > succeeds on the bare name. > * configure: Regenerate. > --- > libgomp/configure | 2 +- > libgomp/configure.ac | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/libgomp/configure b/libgomp/configure > index 56cffe79634..a56c5691c26 100755 > --- a/libgomp/configure > +++ b/libgomp/configure > @@ -12270,7 +12270,7 @@ case `echo $GFORTRAN` in > FC=no ;; > *) > set dummy $GFORTRAN; ac_word=$2 > - if test -x "$ac_word"; then > + if test -x "$ac_word" || command -v "$ac_word" >/dev/null 2>&1; then > FC="$GFORTRAN" > else > FC=no > diff --git a/libgomp/configure.ac b/libgomp/configure.ac > index 1730c62c74c..2cde2a05df4 100644 > --- a/libgomp/configure.ac > +++ b/libgomp/configure.ac > @@ -164,7 +164,7 @@ case `echo $GFORTRAN` in > FC=no ;; > *) > set dummy $GFORTRAN; ac_word=$2 > - if test -x "$ac_word"; then > + if test -x "$ac_word" || command -v "$ac_word" >/dev/null 2>&1; then > FC="$GFORTRAN" > else > FC=no > -- > 2.54.0
