[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1-187-gb9d6774

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http://git.mpich.org/mpich.git/commitdiff/b9d677473725748de832f7a67d5835baddfa6279

commit b9d677473725748de832f7a67d5835baddfa6279
Author: Ken Raffenetti <raffenet at mcs.anl.gov>
Date:   Mon Apr 28 08:46:03 2014 -0500

    move the F77 compiler tests later in configure
    
    The configure script could accidentally override the user's selection
    of Fortran compiler for mpif77. Move AC_PROG_F77 until after we've
    potentially set F77 = FC.
    
    Signed-off-by: Pavan Balaji <balaji at anl.gov>

diff --git a/configure.ac b/configure.ac
index c5a0d50..77b9b58 100644
--- a/configure.ac
+++ b/configure.ac
@@ -666,10 +666,6 @@ AS_IF([test "x$enable_cxx" = "xno"],[CXX=no])
 : ${CXXFLAGS=""}
 AC_PROG_CXX([PAC_CXX_SEARCH_LIST])
 
-# suppress default "-g -O2" from AC_PROG_F77
-: ${FFLAGS=""}
-AC_PROG_F77([PAC_F77_SEARCH_LIST])
-
 # suppress default "-g -O2" from AC_PROG_FC
 : ${FCFLAGS=""}
 AC_PROG_FC([PAC_FC_SEARCH_LIST])
@@ -718,6 +714,13 @@ fi
 
 AM_CONDITIONAL([INSTALL_MPIF77],[test "$F77" != "$FC" -a "$FFLAGS" != "$FCFLAGS"])
 
+# This needs to come after we've potentially set F77=$FC. Otherwise, we could
+# override the user's Fortran compiler selection when only specifying FC at configure
+# time, as is allowed.
+# suppress default "-g -O2" from AC_PROG_F77
+: ${FFLAGS=""}
+AC_PROG_F77([PAC_F77_SEARCH_LIST])
+
 # compute canonical system types
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST

-----------------------------------------------------------------------

Summary of changes:
 configure.ac |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)


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