diff options
Diffstat (limited to 'development/fpc/patches/honor_SOURCE_DATE_EPOCH_in_date.patch')
| -rw-r--r-- | development/fpc/patches/honor_SOURCE_DATE_EPOCH_in_date.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/development/fpc/patches/honor_SOURCE_DATE_EPOCH_in_date.patch b/development/fpc/patches/honor_SOURCE_DATE_EPOCH_in_date.patch new file mode 100644 index 0000000000..ffe63809b2 --- /dev/null +++ b/development/fpc/patches/honor_SOURCE_DATE_EPOCH_in_date.patch @@ -0,0 +1,55 @@ +Description: Reproducible builds requires that the build time stamp is not + recorded in binaries. In FPC they are fuild in via the $INCLUDE %DATE% + directive which calls getdatestr in globals.pas. To allow reproducible builds + we should honor the SOURCE_DATE_EPOCH environment variable. To not depend on + the dateutil unit, we include the required code from that package here. +Author: Paul Gevers <elbrus@debian.org> +Author: Abou Al Montacir <abou.almontacir@sfr.fr> + +Index: fpc/fpcsrc/compiler/globals.pas +=================================================================== +--- fpc.orig/fpcsrc/compiler/globals.pas ++++ fpc/fpcsrc/compiler/globals.pas +@@ -559,6 +559,7 @@ interface + startsystime : TSystemTime; + + function getdatestr:string; ++ Function UnixToDateTime(const AValue: Int64): TDateTime; + function gettimestr:string; + function filetimestring( t : longint) : string; + function getrealtime(const st: TSystemTime) : real; +@@ -816,12 +817,34 @@ implementation + get the current date in a string YY/MM/DD + } + var ++ Year,Month,Day: Word; + st: TSystemTime; ++ SourceDateEpoch: string; + begin ++ SourceDateEpoch := GetEnvironmentVariable('SOURCE_DATE_EPOCH'); ++ if Length(SourceDateEpoch)>0 then ++ begin ++ DecodeDate(UnixToDateTime(StrToInt64(SourceDateEpoch)),Year,Month,Day); ++ getdatestr:=L0(Year)+'/'+L0(Month)+'/'+L0(Day); ++ end ++ else ++ begin + GetLocalTime(st); + getdatestr:=L0(st.Year)+'/'+L0(st.Month)+'/'+L0(st.Day); ++ end; + end; + ++ Function UnixToDateTime(const AValue: Int64): TDateTime; ++ { Code copied from fpcsrc/packages/rtl-objpas/src/inc/dateutil.inc and ++ fpcsrc/rtl/objpas/sysutils/datih.inc } ++ const ++ TDateTimeEpsilon = 2.2204460493e-16 ; ++ UnixEpoch = TDateTime(-2415018.5) + TDateTime(2440587.5) ; ++ begin ++ Result:=UnixEpoch + AValue/SecsPerDay; ++ if (UnixEpoch>=0) and (Result<-TDateTimeEpsilon) then ++ Result:=int(Result-1.0+TDateTimeEpsilon)-frac(1.0+frac(Result)); ++ end; + + function filetimestring( t : longint) : string; + { |