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| author | Damien George <damien@micropython.org> | 2024-12-16 11:56:03 +1100 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2024-12-16 11:56:03 +1100 |
| commit | 8e4c8096940c83c49c3ac07acc96b0133f65ec8e (patch) | |
| tree | 1cc40623fd79fbf196e28f00591909f0be38928f | |
| parent | 5f2d05d41755990c1e14223475e19c7d204d9db2 (diff) | |
unix,windows: Force _FILE_OFFSET_BITS=64 to fix 32-bit file ABI.
On 64-bit systems this should have no effect.
On 32-bit systems it will force 64-bit file sizes and fixes directory
listing on certain 32-bit ports. This option should work on pretty much
all 32-bit systems these days.
Signed-off-by: Damien George <damien@micropython.org>
| -rw-r--r-- | ports/unix/Makefile | 4 | ||||
| -rw-r--r-- | ports/windows/Makefile | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/ports/unix/Makefile b/ports/unix/Makefile index f02e6c635..88fa1af04 100644 --- a/ports/unix/Makefile +++ b/ports/unix/Makefile @@ -48,6 +48,10 @@ CWARN = -Wall -Werror CWARN += -Wextra -Wno-unused-parameter -Wpointer-arith -Wdouble-promotion -Wfloat-conversion CFLAGS += $(INC) $(CWARN) -std=gnu99 -DUNIX $(COPT) -I$(VARIANT_DIR) $(CFLAGS_EXTRA) +# Force the use of 64-bits for file sizes in C library functions on 32-bit platforms. +# This option has no effect on 64-bit builds. +CFLAGS += -D_FILE_OFFSET_BITS=64 + # Debugging/Optimization ifdef DEBUG COPT ?= -Og diff --git a/ports/windows/Makefile b/ports/windows/Makefile index cf0a92701..115d1a61e 100644 --- a/ports/windows/Makefile +++ b/ports/windows/Makefile @@ -42,6 +42,10 @@ INC += -I$(VARIANT_DIR) CFLAGS += $(INC) -Wall -Wpointer-arith -Wdouble-promotion -Werror -std=gnu99 -DUNIX -D__USE_MINGW_ANSI_STDIO=1 $(COPT) $(CFLAGS_EXTRA) LDFLAGS += -lm -lbcrypt $(LDFLAGS_EXTRA) +# Force the use of 64-bits for file sizes in C library functions on 32-bit platforms. +# This option has no effect on 64-bit builds. +CFLAGS += -D_FILE_OFFSET_BITS=64 + # Debugging/Optimization ifdef DEBUG CFLAGS += -g |