syslinux/trunk/0025-reproducible-build.patch

   1 diff --git a/core/Makefile b/core/Makefile
   2 index 50ff35af..f1af71b7 100644
   3 --- a/core/Makefile
   4 +++ b/core/Makefile
   5 @@ -112,7 +112,7 @@ CFLAGS += -D__SYSLINUX_CORE__ -D__FIRMWARE_$(FIRMWARE)__ \
   6  # official release.  Otherwise, substitute a hex string that is pretty much
   7  # guaranteed to be unique to be unique from build to build.
   8  ifndef HEXDATE
   9 -HEXDATE := $(shell $(PERL) $(SRC)/../now.pl $(SRCS))
  10 +HEXDATE := $(shell printf '0x%x\n' $(git log -1 --format=%ct)) # make the build more predictable
  11  endif
  12  ifndef DATE
  13  DATE    := $(shell sh $(SRC)/../gen-id.sh $(VERSION) $(HEXDATE))
  14 diff --git a/mk/lib.mk b/mk/lib.mk
  15 index f3fb07c7..bece24a0 100644
  16 --- a/mk/lib.mk
  17 +++ b/mk/lib.mk
  18 @@ -58,8 +58,8 @@ CFLAGS += -mregparm=3 -DREGPARM=3
  19  endif
  20
  21  ARCH_MATH_OBJS = \
  22 -       $(patsubst $(com32)/lib/%.c,%.o,$(wildcard $(com32)/lib/$(ARCH)/math/*.c)) \
  23 -       $(patsubst $(com32)/lib/%.S,%.o,$(wildcard $(com32)/lib/$(ARCH)/math/*.S))
  24 +       $(patsubst $(com32)/lib/%.c,%.o,$(sort $(wildcard $(com32)/lib/$(ARCH)/math/*.c))) \
  25 +       $(patsubst $(com32)/lib/%.S,%.o,$(sort $(wildcard $(com32)/lib/$(ARCH)/math/*.S)))
  26
  27  VPATH = $(SRC)
  28  LIBOTHER_OBJS = \
  29 @@ -130,8 +130,8 @@ LIBENTRY_OBJS = \
  30         exit.o
  31
  32  LIBGCC_OBJS = \
  33 -         $(patsubst $(com32)/lib/%.c,%.o,$(wildcard $(com32)/lib/$(ARCH)/libgcc/*.c)) \
  34 -         $(patsubst $(com32)/lib/%.S,%.o,$(wildcard $(com32)/lib/$(ARCH)/libgcc/*.S))
  35 +         $(patsubst $(com32)/lib/%.c,%.o,$(sort $(wildcard $(com32)/lib/$(ARCH)/libgcc/*.c))) \
  36 +         $(patsubst $(com32)/lib/%.S,%.o,$(sort $(wildcard $(com32)/lib/$(ARCH)/libgcc/*.S)))
  37
  38  LIBCONSOLE_OBJS = \
  39         \