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Move configurable variables to the top

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Define variables that are meant to be possibly overridden on the make
command line (or in a parent makefile) at the top. In particular, define
them before including the crypto and framework makefiles, so these makefiles
can use the default values if there's no parent setting.

Also move some internal variables earlier or later, so that a subsequent
refactoring step can have things in the right order in the mbedtls
per-directory makefile:

1. Define variables consumed by the per-directory crypto makefile.
2. Include the per-directory crypto makefile.
3. Use variables defined by the per-directory crypto makefile.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2025-12-18 14:57:15 +01:00
parent e3e4da61a8
commit 2607134998
2 changed files with 62 additions and 62 deletions
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98
library/Makefile
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@@ -1,3 +1,25 @@
CFLAGS ?= -O2
WARNING_CFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
LDFLAGS ?=
# MicroBlaze specific options:
# CFLAGS += -mno-xl-soft-mul -mxl-barrel-shift
# To compile on Plan9:
# CFLAGS += -D_BSD_EXTENSION
PERL ?= perl
ifdef WINDOWS
PYTHON ?= python
else
PYTHON ?= $(shell if type python3 >/dev/null 2>/dev/null; then echo python3; else echo python; fi)
endif
# Set AR_DASH= (empty string) to use an ar implementation that does not accept
# the - prefix for command line options (e.g. llvm-ar)
AR_DASH ?= -
ifndef MBEDTLS_PATH
MBEDTLS_PATH := ..
endif
@@ -16,29 +38,6 @@ include $(MBEDTLS_PATH)/framework/exported.make
include $(MBEDTLS_PATH)/scripts/crypto-common.make
# List the generated files without running a script, so that this
# works with no tooling dependencies when GEN_FILES is disabled.
GENERATED_FILES := \
mbedtls_config_check_before.h \
mbedtls_config_check_final.h \
mbedtls_config_check_user.h \
error.c \
version_features.c \
ssl_debug_helpers_generated.c
# Also list the generated files from crypto that are needed in the build,
# because we don't have the list in a consumable form.
GENERATED_FILES += \
$(TF_PSA_CRYPTO_CORE_PATH)/psa_crypto_driver_wrappers.h \
$(TF_PSA_CRYPTO_CORE_PATH)/psa_crypto_driver_wrappers_no_static.c \
$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_before.h \
$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_final.h \
$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_user.h
CFLAGS ?= -O2
WARNING_CFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
LDFLAGS ?=
# For the time being, Mbed TLS uses non-public interfaces of TF-PSA-Crypto,
# so we include both public and internal headers.
LOCAL_CFLAGS = $(WARNING_CFLAGS) -I. \
@@ -52,20 +51,6 @@ ifdef DEBUG
LOCAL_CFLAGS += -g3
endif
# MicroBlaze specific options:
# CFLAGS += -mno-xl-soft-mul -mxl-barrel-shift
# To compile on Plan9:
# CFLAGS += -D_BSD_EXTENSION
PERL ?= perl
ifdef WINDOWS
PYTHON ?= python
else
PYTHON ?= $(shell if type python3 >/dev/null 2>/dev/null; then echo python3; else echo python; fi)
endif
# if were running on Windows build for Windows
ifdef WINDOWS
WINDOWS_BUILD=1
@@ -91,10 +76,6 @@ SOEXT_TLS?=so.21
SOEXT_X509?=so.8
SOEXT_CRYPTO?=so.16
# Set AR_DASH= (empty string) to use an ar implementation that does not accept
# the - prefix for command line options (e.g. llvm-ar)
AR_DASH ?= -
ARFLAGS = $(AR_DASH)src
ifdef APPLE_BUILD
ifneq ($(APPLE_BUILD),0)
@@ -115,6 +96,14 @@ DLEXT = dylib
endif
endif
# See root Makefile
GEN_FILES ?= yes
ifdef GEN_FILES
gen_file_dep =
else
gen_file_dep = |
endif
OBJS_CRYPTO = $(patsubst %.c, %.o,$(wildcard $(TF_PSA_CRYPTO_CORE_PATH)/*.c $(TF_PSA_CRYPTO_DRIVERS_BUILTIN_SRC_PATH)/*.c))
GENERATED_OBJS_CRYPTO = $(TF_PSA_CRYPTO_CORE_PATH)/psa_crypto_driver_wrappers_no_static.o
OBJS_CRYPTO := $(filter-out $(GENERATED_OBJS_CRYPTO),$(OBJS_CRYPTO))
@@ -279,17 +268,28 @@ libmbedcrypto.dll: $(OBJS_CRYPTO)
echo " CC $<"
$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -S -o $@ -c $<
# List the generated files without running a script, so that this
# works with no tooling dependencies when GEN_FILES is disabled.
GENERATED_FILES := \
mbedtls_config_check_before.h \
mbedtls_config_check_final.h \
mbedtls_config_check_user.h \
error.c \
version_features.c \
ssl_debug_helpers_generated.c
# Also list the generated files from crypto that are needed in the build,
# because we don't have the list in a consumable form.
GENERATED_FILES += \
$(TF_PSA_CRYPTO_CORE_PATH)/psa_crypto_driver_wrappers.h \
$(TF_PSA_CRYPTO_CORE_PATH)/psa_crypto_driver_wrappers_no_static.c \
$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_before.h \
$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_final.h \
$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_user.h
.PHONY: generated_files
generated_files: $(GENERATED_FILES)
# See root Makefile
GEN_FILES ?= yes
ifdef GEN_FILES
gen_file_dep =
else
gen_file_dep = |
endif
error.c: $(gen_file_dep) ../scripts/generate_errors.pl
error.c: $(gen_file_dep) ../scripts/data_files/error.fmt
error.c: $(gen_file_dep) $(filter-out %config%,$(wildcard ../include/mbedtls/*.h))