Use standard time for depends caches

streamline, remove obsolete wrappers

1 files changed, 20 insertions, 27 deletions

diff --git a/contrib/gitian/gitian-win.yml b/contrib/gitian/gitian-win.yml
index 7bfb14a95..bd85695c1 100644
--- a/contrib/gitian/gitian-win.yml
+++ b/contrib/gitian/gitian-win.yml
@@ -22,6 +22,19 @@ packages:
 - "python"
 - "rename"
 - "cmake"
+alternatives:
+-
+  package: "i686-w64-mingw32-g++"
+  path: "/usr/bin/i686-w64-mingw32-g++-posix"
+-
+  package: "i686-w64-mingw32-gcc"
+  path: "/usr/bin/i686-w64-mingw32-gcc-posix"
+-
+  package: "x86_64-w64-mingw32-g++"
+  path: "/usr/bin/x86_64-w64-mingw32-g++-posix"
+-
+  package: "x86_64-w64-mingw32-gcc"
+  path: "/usr/bin/x86_64-w64-mingw32-gcc-posix"
 remotes:
 - "url": "https://github.com/monero-project/monero.git"
   "dir": "monero"
@@ -29,13 +42,12 @@ files: []
 script: |
   WRAP_DIR=$HOME/wrapped
   HOSTS="i686-w64-mingw32 x86_64-w64-mingw32"
-  FAKETIME_HOST_PROGS="ar ranlib nm windres strip objcopy"
+  FAKETIME_HOST_PROGS="windres objcopy"
   FAKETIME_PROGS="date zip"
   HOST_CFLAGS="-O2 -g"
   HOST_CXXFLAGS="-O2 -g"
 
   export GZIP="-9n"
-  export TAR_OPTIONS="--mtime="$REFERENCE_DATE\\\ $REFERENCE_TIME""
   export TZ="UTC"
   export BUILD_DIR=`pwd`
   mkdir -p ${WRAP_DIR}
@@ -69,37 +81,15 @@ script: |
   done
   }
 
-  function create_per-host_linker_wrapper {
-  # This is only needed for trusty, as the mingw linker leaks a few bytes of
-  # heap, causing non-determinism. See discussion in https://github.com/bitcoin/bitcoin/pull/6900
-  for i in $HOSTS; do
-    mkdir -p ${WRAP_DIR}/${i}
-    for prog in collect2; do
-        echo '#!/usr/bin/env bash' > ${WRAP_DIR}/${i}/${prog}
-        REAL=$(${i}-gcc -print-prog-name=${prog})
-        echo "export MALLOC_PERTURB_=255" >> ${WRAP_DIR}/${i}/${prog}
-        echo "${REAL} \$@" >> $WRAP_DIR/${i}/${prog}
-        chmod +x ${WRAP_DIR}/${i}/${prog}
-    done
-    for prog in gcc g++; do
-        echo '#!/usr/bin/env bash' > ${WRAP_DIR}/${i}-${prog}
-        echo "REAL=\`which -a ${i}-${prog}-posix | grep -v ${WRAP_DIR}/${i}-${prog} | head -1\`" >> ${WRAP_DIR}/${i}-${prog}
-        echo 'export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/faketime/libfaketime.so.1' >> ${WRAP_DIR}/${i}-${prog}
-        echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
-        echo "export COMPILER_PATH=${WRAP_DIR}/${i}" >> ${WRAP_DIR}/${i}-${prog}
-        echo "\$REAL \$@" >> $WRAP_DIR/${i}-${prog}
-        chmod +x ${WRAP_DIR}/${i}-${prog}
-    done
-  done
-  }
-
   # Faketime for depends so intermediate results are comparable
   export PATH_orig=${PATH}
   create_global_faketime_wrappers "2000-01-01 12:00:00"
   create_per-host_faketime_wrappers "2000-01-01 12:00:00"
-  create_per-host_linker_wrapper "2000-01-01 12:00:00"
   export PATH=${WRAP_DIR}:${PATH}
 
+  # gcc 7+ honors SOURCE_DATE_EPOCH, no faketime needed
+  export SOURCE_DATE_EPOCH=`date -d 2000-01-01T12:00:00 +%s`
+
   git config --global core.abbrev 9
   cd monero
   # Set the version string that gets added to the tar archive name
@@ -111,6 +101,7 @@ script: |
 
   BASEPREFIX=`pwd`/contrib/depends
   # Build dependencies for each host
+  export TAR_OPTIONS=--mtime=2000-01-01T12:00:00
   for i in $HOSTS; do
     EXTRA_INCLUDES="$EXTRA_INCLUDES_BASE/$i"
     if [ -d "$EXTRA_INCLUDES" ]; then
@@ -129,6 +120,8 @@ script: |
   ORIGPATH="$PATH"
   # Run cmake and make, for each create a new build/ directory, 
   # compile from there, archive, export and delete the archive again
+  export SOURCE_DATE_EPOCH=`date -d ${REFERENCE_DATE}T${REFERENCE_TIME} +%s`
+  export TAR_OPTIONS=--mtime=${REFERENCE_DATE}T${REFERENCE_TIME}
   for i in ${HOSTS}; do
     export PATH=${BASEPREFIX}/${i}/native/bin:${ORIGPATH}
     mkdir build && cd build