From 167619a75da66f00f319ae7987a8d01c0e30c285 Mon Sep 17 00:00:00 2001
From: Scot Breitenfeld <brtnfld@hdfgroup.org>
Date: Thu, 5 Feb 2015 14:36:51 -0500
Subject: [svn-r26132] reverted change 26177

svn merge -c -26117 .

Shared Fortran libraries don't work on Mac, the check for building shared on Mac needs to stay in.
---
 configure.ac                | 41 +++++++++++++++++++++++++++++++++++++++++
 fortran/src/Makefile.am     |  2 +-
 fortran/test/Makefile.am    |  2 +-
 fortran/testpar/Makefile.am |  2 +-
 hl/fortran/src/Makefile.am  |  2 +-
 hl/fortran/test/Makefile.am |  2 +-
 6 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index f6ac8cb..175488d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -647,6 +647,47 @@ AC_SUBST([RUNPARALLEL])
 AC_SUBST([TESTPARALLEL])
 
 ## ----------------------------------------------------------------------
+## Fortran libraries are not currently supported on Mac. Disable them.
+## (this is overridable with --enable-unsupported).
+##
+AC_SUBST([H5_FORTRAN_SHARED])
+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"
+
+  ## Disable fortran shared libraries on Mac. (MAM - 03/30/11)
+  
+  case "`uname`" in
+    Darwin*)
+    H5_FORTRAN_SHARED="no"
+    CHECK_WARN="Shared Fortran libraries not currently supported on Mac."
+      ;;
+  esac
+
+  ## Report results of check(s)
+  
+  if test "X${H5_FORTRAN_SHARED}" = "Xno"; then
+    AC_MSG_RESULT([no])
+    AC_MSG_WARN([$CHECK_WARN])
+    if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
+      AC_MSG_WARN([Disabling shared Fortran libraries.])
+      AC_MSG_WARN([To override this behavior, please use --enable-unsupported configure option.])
+        if test "X${enable_static}" = "Xno"; then
+          AC_MSG_ERROR([both static and shared Fortran libraries are disabled])
+        fi
+    else
+      AC_MSG_WARN([Allowing unsupported Fortran shared libraries due to use of --enable-unsupported flag])
+      H5_FORTRAN_SHARED="yes"
+    fi
+  else
+    AC_MSG_RESULT([yes])
+  fi
+fi
+
+AM_CONDITIONAL([FORTRAN_SHARED_CONDITIONAL], [test "X$H5_FORTRAN_SHARED" = "Xyes"])
+
+## ----------------------------------------------------------------------
 ## Disable C++ shared libraries if +DD64 flag is detected.
 ##
 AC_SUBST([H5_CXX_SHARED])
diff --git a/fortran/src/Makefile.am b/fortran/src/Makefile.am
index e5db074..a4b3843 100644
--- a/fortran/src/Makefile.am
+++ b/fortran/src/Makefile.am
@@ -37,7 +37,7 @@ libhdf5_fortran_la_LDFLAGS= -version-info $(LT_VERS_INTERFACE):$(LT_VERS_REVISIO
 # Some Fortran compilers can't build shared libraries, so sometimes we
 # want to build a shared C library and a static Fortran library.  If so,
 # pass the -static flag to the library linker.
-if HAVE_SHARED_CONDITIONAL
+if FORTRAN_SHARED_CONDITIONAL
 else
    AM_LDFLAGS+=-static
 endif
diff --git a/fortran/test/Makefile.am b/fortran/test/Makefile.am
index 6d55250..735ab7a 100644
--- a/fortran/test/Makefile.am
+++ b/fortran/test/Makefile.am
@@ -31,7 +31,7 @@ noinst_LTLIBRARIES=libh5test_fortran.la
 # Some Fortran compilers can't build shared libraries, so sometimes we
 # want to build a shared C library and a static Fortran library.  If so,
 # pass the -static flag to the library linker.
-if HAVE_SHARED_CONDITIONAL
+if FORTRAN_SHARED_CONDITIONAL
 else
    AM_LDFLAGS+=-static
 endif
diff --git a/fortran/testpar/Makefile.am b/fortran/testpar/Makefile.am
index 60ac23f..517a3c8 100644
--- a/fortran/testpar/Makefile.am
+++ b/fortran/testpar/Makefile.am
@@ -29,7 +29,7 @@ AM_FCFLAGS+=-I$(top_srcdir)/fortran/src -I$(top_srcdir)/fortran/test $(F9XMODFLA
 # pass the -static flag to the library linker.
 # (Actually, we historically have bad luck combining shared libraries with
 # parallel code.  But you're welcome to try...)
-if HAVE_SHARED_CONDITIONAL
+if FORTRAN_SHARED_CONDITIONAL
 else
    AM_LDFLAGS+=-static
 endif
diff --git a/hl/fortran/src/Makefile.am b/hl/fortran/src/Makefile.am
index a540a36..c8c4541 100644
--- a/hl/fortran/src/Makefile.am
+++ b/hl/fortran/src/Makefile.am
@@ -35,7 +35,7 @@ libhdf5hl_fortran_la_LDFLAGS= -version-info $(LT_VERS_INTERFACE):$(LT_VERS_REVIS
 # Some Fortran compilers can't build shared libraries, so sometimes we
 # want to build a shared C library and a static Fortran library.  If so,
 # pass the -static flag to the library linker.
-if HAVE_SHARED_CONDITIONAL
+if FORTRAN_SHARED_CONDITIONAL
 else
    AM_LDFLAGS+=-static
 endif
diff --git a/hl/fortran/test/Makefile.am b/hl/fortran/test/Makefile.am
index 3671cdc..fa3a803 100644
--- a/hl/fortran/test/Makefile.am
+++ b/hl/fortran/test/Makefile.am
@@ -27,7 +27,7 @@ AM_FCFLAGS+=-I$(top_builddir)/fortran/src -I$(top_builddir)/hl/fortran/src $(F9X
 # Some Fortran compilers can't build shared libraries, so sometimes we
 # need to make sure the Fortran programs link against the static version
 # of the HDF5 library.  We do this by passing the -static flag to the linker.
-if HAVE_SHARED_CONDITIONAL
+if FORTRAN_SHARED_CONDITIONAL
 else
    AM_LDFLAGS+=-static
 endif
-- 
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