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Removed the use of -commons linking option on Darwin (#3581) #3618

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Sep 30, 2023
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Removed the use of -commons linking option on Darwin (#3581) #3618

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8 changes: 0 additions & 8 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -1077,14 +1077,6 @@ H5_FORTRAN_SHARED="no"
if test "X${HDF_FORTRAN}" = "Xyes" && test "X${enable_shared}" != "Xno"; then
AC_MSG_CHECKING([if shared Fortran libraries are supported])
H5_FORTRAN_SHARED="yes"
## tell libtool to do the right thing with COMMON symbols, this fixes
## corrupt values with COMMON and EQUIVALENCE when building shared
## Fortran libraries on OSX with gnu and Intel compilers (HDFFV-2772).
case "`uname`" in
Darwin*)
H5_LDFLAGS="$H5_LDFLAGS -Wl,-commons,use_dylibs"
;;
esac

## Report results of check(s)

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2 changes: 0 additions & 2 deletions fortran/src/H5f90global.F90
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Expand Up @@ -9,8 +9,6 @@
! PURPOSE
! This module is used to pass C stubs for H5 Fortran APIs. The C stubs are
! packed into arrays in H5_f.c and these arrays are then passed to Fortran.
! This module then uses EQUIVALENCE to assign elements of the arrays to
! Fortran equivalent C stubs.
!
! NOTES
! The size of the C arrays in H5_f.c has to match the values of the variables
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5 changes: 4 additions & 1 deletion release_docs/RELEASE.txt
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Expand Up @@ -138,7 +138,10 @@ New Features

Fortran Library:
----------------
-
- Removed "-commons" linking option on Darwin, as COMMON and EQUIVALENCE
are no longer used in the Fortran source.

Fixes GitHub issue #3571


C++ Library:
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