don't throw in smpi_helpers when passing configure, it may confuse some checkers

[simgrid.git] / src / smpi / smpicxx.in

diff --git a/src/smpi/smpicxx.in b/src/smpi/smpicxx.in
index 2822fdb..16e8ec0 100755 (executable)
--- a/src/smpi/smpicxx.in
+++ b/src/smpi/smpicxx.in
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
-# Copyright (c) 2014-2019. The SimGrid Team.
+# Copyright (c) 2014-2020. The SimGrid Team.
 # All rights reserved.
 
 # This program is free software; you can redistribute it and/or modify it
@@ -18,23 +18,40 @@ CMAKE_LINKARGS="-L@libdir@"
 
 list_set CXXFLAGS "-std=gnu++11" @SMPI_CXX_FLAGS@
 list_set LINKARGS
-if [ "@WIN32@" != "1" ]; then
-    list_add CXXFLAGS "-include" "@includedir@/smpi/smpi_helpers.h"
+
+if [ "@CMAKE_C_COMPILER_ID@" = "Clang" -a "@HAVE_SANITIZER_ADDRESS@" = "TRUE" ]; then
+    LINKER_UNDEFINED_ERROR=""
+else
+    LINKER_UNDEFINED_ERROR="1"
+fi
+
+if [ "x@WIN32@" = "x1" ]; then
+    list_add CXXFLAGS "-include" "@includedir@/smpi/smpi_main.h"
+    list_add LINKARGS "@libdir@\libsimgrid.dll"
+elif [ "x@APPLE@" = "x1" ]; then
     list_add CXXFLAGS "-fPIC"
     if [ "x${SMPI_PRETEND_CC}" = "x" ]; then
+       list_add CXXFLAGS "-include" "@includedir@/smpi/smpi_helpers.h"
        list_add LINKARGS "-shared"
     else
-       echo "Warning: smpicxx pretends to be a regular compiler (SMPI_PRETEND_CC is set). Produced binaries will not be usable in SimGrid."
+       echo "Warning: smpicc pretends to be a regular compiler (SMPI_PRETEND_CC is set). Produced binaries will not be usable in SimGrid."
+    fi
+    if [ "x${SMPI_NO_UNDEFINED_CHECK}" = "x" ]; then
+      list_add LINKARGS "-lsimgrid" ${LINKER_UNDEFINED_ERROR:+"-Wl,-undefined,error"}
     fi
-    list_add LINKARGS "-lsimgrid"
 else
-    list_add CXXFLAGS "-include" "@includedir@/smpi/smpi_main.h"
-    list_add LINKARGS "@libdir@\libsimgrid.dll"
+    list_add CXXFLAGS "-fPIC"
+    if [ "x${SMPI_PRETEND_CC}" = "x" ]; then
+       list_add CXXFLAGS "-include" "@includedir@/smpi/smpi_helpers.h"
+       list_add LINKARGS "-shared"
+    else
+       echo "Warning: smpicc pretends to be a regular compiler (SMPI_PRETEND_CC is set). Produced binaries will not be usable in SimGrid."
+    fi
+    if [ "x${SMPI_NO_UNDEFINED_CHECK}" = "x" ]; then
+      list_add LINKARGS "-lsimgrid" ${LINKER_UNDEFINED_ERROR:+"-Wl,-z,defs"}
+    fi
 fi
 
-# By default, we execute the commands instead of only showing them to cmake
-Show=
-
 list_set CMDARGS
 while [ $# -gt 0 ]; do
     ARG="$1"
@@ -65,7 +82,7 @@ while [ $# -gt 0 ]; do
             ;;
        '-show'|'-compile-info'|'-link-info')
             # Dry run displaying commands instead of executing them. Useful to cmake
-           Show=echo
+           show=1
            ;;
         *)
             list_add CMDARGS "${ARG}"
@@ -81,4 +98,8 @@ list_add_not_empty CMDLINE "${CMDARGS}"
 list_add_not_empty CMDLINE "${LINKARGS}"
 
 eval $(list_get CMDLINE)
-$Show "$@"
+if [ "x$VERBOSE" = x1 -o "x$show" = x1 ] ; then
+  echo "$@"
+  [ "x$show" = x1 ] && exit 0
+fi
+"$@"