smpicxx: obey the VERBOSE environment variable and display what we do

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

diff --git a/src/smpi/smpicxx.in b/src/smpi/smpicxx.in
index 1e6b88d..b8d6d40 100755 (executable)
--- a/src/smpi/smpicxx.in
+++ b/src/smpi/smpicxx.in
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
-# Copyright (c) 2014-2018. The SimGrid Team.
+# Copyright (c) 2014-2019. The SimGrid Team.
 # All rights reserved.
 
 # This program is free software; you can redistribute it and/or modify it
@@ -16,11 +16,11 @@ CMAKE_LINKARGS="-L@libdir@"
 
 @SMPITOOLS_SH@
 
-list_set CXXFLAGS "-std=gnu++11"
-list_set LINKARGS "-std=gnu++11"
+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"
-    list_add CXXFLAGS "-fpic"
+    list_add CXXFLAGS "-include" "@includedir@/smpi/smpi_helpers.h"
+    list_add CXXFLAGS "-fPIC"
     if [ "x${SMPI_PRETEND_CC}" = "x" ]; then
        list_add LINKARGS "-shared"
     else
@@ -32,6 +32,9 @@ else
     list_add LINKARGS "@libdir@\libsimgrid.dll"
 fi
 
+# By default, we execute the commands instead of only showing them to cmake
+show=
+
 list_set CMDARGS
 while [ $# -gt 0 ]; do
     ARG="$1"
@@ -60,6 +63,10 @@ while [ $# -gt 0 ]; do
         '-compiler-version' | '--compiler-version')
             ${CXX} --version
             ;;
+       '-show'|'-compile-info'|'-link-info')
+            # Dry run displaying commands instead of executing them. Useful to cmake
+           show=1
+           ;;
         *)
             list_add CMDARGS "${ARG}"
       ;;
@@ -74,4 +81,8 @@ list_add_not_empty CMDLINE "${CMDARGS}"
 list_add_not_empty CMDLINE "${LINKARGS}"
 
 eval $(list_get CMDLINE)
+if [ "x$VERBOSE" = x1 -o "x$show" = x1 ] ; then
+  echo "$@"
+  [ "x$show" = x1 ] && exit 0
+fi
 "$@"