Allow to override build user and host

using the standard $USER and $HOSTNAME environment variables
to make reproducible builds possible.
See https://reproducible-builds.org/ for why this is good.

This helps improve issue #3759

Signed-off-by: Bernhard M. Wiedemann <bwiedemann@suse.de>

autogen.pl

@@ -84,8 +84,8 @@ if ($^O eq "solaris") {
     $patch_prog = "gpatch";
 }
 
-$username = getpwuid($>);
-$full_hostname = `hostname`;
+$username = $ENV{USER} || getpwuid($>);
+$full_hostname = $ENV{HOSTNAME} || `hostname`;
 chomp($full_hostname);
 $hostname = $full_hostname;
 $hostname =~ s/^([\w\-]+)\..+/\1/;

config/opal_functions.m4

@@ -94,8 +94,8 @@ EOF
 # Save some stats about this build
 #
 
-OPAL_CONFIGURE_USER="`whoami`"
-OPAL_CONFIGURE_HOST="`(hostname || uname -n) 2> /dev/null | sed 1q`"
+OPAL_CONFIGURE_USER="${USER:-`whoami`}"
+OPAL_CONFIGURE_HOST="${HOSTNAME:-`(hostname || uname -n) 2> /dev/null | sed 1q`}"
 OPAL_CONFIGURE_DATE="`date`"
 
 OPAL_LIBNL_SANITY_INIT
@@ -116,8 +116,8 @@ AC_DEFUN([OPAL_BASIC_SETUP],[
 # Save some stats about this build
 #
 
-OPAL_CONFIGURE_USER="`whoami`"
-OPAL_CONFIGURE_HOST="`(hostname || uname -n) 2> /dev/null | sed 1q`"
+OPAL_CONFIGURE_USER="${USER:-`whoami`}"
+OPAL_CONFIGURE_HOST="${HOSTNAME:-`(hostname || uname -n) 2> /dev/null | sed 1q`}"
 OPAL_CONFIGURE_DATE="`date`"
 
 #

ompi/tools/ompi_info/Makefile.am

@@ -28,7 +28,7 @@ AM_CFLAGS = \
             -DOPAL_CONFIGURE_HOST="\"@OPAL_CONFIGURE_HOST@\"" \
             -DOPAL_CONFIGURE_DATE="\"@OPAL_CONFIGURE_DATE@\"" \
             -DOMPI_BUILD_USER="\"$$USER\"" \
-            -DOMPI_BUILD_HOST="\"`(hostname || uname -n) 2> /dev/null | sed 1q`\"" \
+            -DOMPI_BUILD_HOST="\"$${HOSTNAME:-`(hostname || uname -n) 2> /dev/null | sed 1q`}\"" \
             -DOMPI_BUILD_DATE="\"`date`\"" \
             -DOMPI_BUILD_CFLAGS="\"@CFLAGS@\"" \
             -DOMPI_BUILD_CPPFLAGS="\"@CPPFLAGS@\"" \

orte/tools/orte-info/Makefile.am

@@ -25,7 +25,7 @@ AM_CFLAGS = \
             -DOPAL_CONFIGURE_HOST="\"@OPAL_CONFIGURE_HOST@\"" \
             -DOPAL_CONFIGURE_DATE="\"@OPAL_CONFIGURE_DATE@\"" \
             -DOMPI_BUILD_USER="\"$$USER\"" \
-            -DOMPI_BUILD_HOST="\"`(hostname || uname -n) | sed 1q`\"" \
+            -DOMPI_BUILD_HOST="\"$${HOSTNAME:-`(hostname || uname -n) | sed 1q`}\"" \
             -DOMPI_BUILD_DATE="\"`date`\"" \
             -DOMPI_BUILD_CFLAGS="\"@CFLAGS@\"" \
             -DOMPI_BUILD_CPPFLAGS="\"@CPPFLAGS@\"" \

oshmem/tools/oshmem_info/Makefile.am

@@ -17,7 +17,7 @@ AM_CPPFLAGS = \
             -DOPAL_CONFIGURE_HOST="\"@OPAL_CONFIGURE_HOST@\"" \
             -DOPAL_CONFIGURE_DATE="\"@OPAL_CONFIGURE_DATE@\"" \
             -DOMPI_BUILD_USER="\"$$USER\"" \
-            -DOMPI_BUILD_HOST="\"`(hostname || uname -n) 2> /dev/null | sed 1q`\"" \
+            -DOMPI_BUILD_HOST="\"$${HOSTNAME:-`(hostname || uname -n) 2> /dev/null | sed 1q`}\"" \
             -DOMPI_BUILD_DATE="\"`date`\"" \
             -DOMPI_BUILD_CFLAGS="\"@CFLAGS@\"" \
             -DOMPI_BUILD_CPPFLAGS="\"@CPPFLAGS@\"" \