improve build reproducibility

2 files changed, 9 insertions, 13 deletions

diff --git a/src/configure b/src/configure
index 636a0c4..bd0cbaf 100755
--- a/src/configure
+++ b/src/configure
@@ -153,12 +153,12 @@ if [ -n "$ERRORS" ] && [ $EBUILD_COMPAT -ne 1 ]; then
 fi
 
 if [ $USE_CLANG -eq 0 ]; then
-  CFLAGS='-g -Wall -O2'
-  LDFLAGS='-g -Wall -O2'
+  CFLAGS=$CFLAGS'-g -Wall -O2'
+  LDFLAGS=$LDFLAGS'-g -Wall -O2'
   COMPILER='gcc'
 else
-  CFLAGS='-g -O2'
-  LDFLAGS='-g -O2'
+  CFLAGS=$CFLAGS'-g -O2'
+  LDFLAGS=$LDFLAGS'-g -O2'
   COMPILER='clang'
 fi
 
@@ -270,9 +270,6 @@ if which git >/dev/null; then
     fi
 fi
 
-HOSTNAME=`hostname`
-DATE=`date +"%d.%m.%Y %H:%M:%S %Z"`
-
 cat > version.h <<EOF
 /*
  * uanytun version info
@@ -285,8 +282,7 @@ cat > version.h <<EOF
 #ifndef UANYTUN_version_h_INCLUDED
 #define UANYTUN_version_h_INCLUDED
 
-#define VERSION_STRING_0 "uanytun version $VERSION"
-#define VERSION_STRING_1 "built on $HOSTNAME, $DATE"
+#define VERSION_STRING "uanytun version $VERSION"
 
 #endif
 
diff --git a/src/options.c b/src/options.c
index a70b39e..d564d39 100644
--- a/src/options.c
+++ b/src/options.c
@@ -483,13 +483,13 @@ void options_print_usage()
 
 void options_print_version()
 {
-  printf("%s\n", VERSION_STRING_0);
+  printf("%s\n", VERSION_STRING);
 #if defined(__clang__)
-  printf("%s, using CLANG %s\n", VERSION_STRING_1, __clang_version__);
+  printf("built using CLANG %s\n", __clang_version__);
 #elif defined(__GNUC__)
-  printf("%s, using GCC %d.%d.%d\n", VERSION_STRING_1, __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
+  printf("built using GCC %d.%d.%d\n", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
 #else
-  printf("%s\n", VERSION_STRING_1);
+  printf("built using an unknown compiler\n");
 #endif
 }