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231f58903b6f86f8c8de33901671101152328ac8
lk/external/lib/libm/rules.mk

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[lib][libm] initial minimal version of libm, from bionic Mostly picked up the sin/cos/tan/sqrt routines. Change-Id: If265b6555336cf049b14d2eb945924f4e9fec225
2014-08-19 14:14:10 -07:00
LOCAL_DIR := $(GET_LOCAL_DIR)
MODULE := $(LOCAL_DIR)
[make][clang] Do not add unsupported warning flags Currently, clang does not support the -Wno-nonnull-compare and -Wmaybe-uninitialized warning flags so this adds lots of unknown warning flag output for each compile job when not using GCC. This commit adds a makefile macro to check for supported warning flags and only adds them if the compiler actually supports them.
2021-12-09 10:59:09 +00:00
MODULE_CFLAGS += -Wno-unused-variable -Wno-sign-compare -Wno-parentheses -Wno-double-promotion
ifeq ($(call is_warning_flag_supported,-Wmaybe-uninitialized),yes)
MODULE_CFLAGS += -Wno-maybe-uninitialized
endif
[arch][fpu] add ability to specify per file or module if code needs fpu Have the arch define additional compiler flags to explicit support or not support a floating point unit. Add ability for modules to per file or for the whole module mark code as needing floating point support. Add default flags for arm64, riscv, and x86 toolchains. Needed because gcc 12 is getting much more aggressive about using vector instructions for non float code, so getting away with avoiding it was no longer working. Still not perfect: printf code is being compiled with float, so it's possible to use floating point instructions inside core kernel or interrupt handling code if a printf is used. Possibly will have problems on architectures where mixing float and non float code at the linker generates issues, but so far seems to be okay.
2022-07-17 16:03:20 -07:00
MODULE_OPTIONS := float
[lib][libm] initial minimal version of libm, from bionic Mostly picked up the sin/cos/tan/sqrt routines. Change-Id: If265b6555336cf049b14d2eb945924f4e9fec225
2014-08-19 14:14:10 -07:00
MODULE_SRCS += \
$(LOCAL_DIR)/k_sin.c \
[libm] Add acos(), asin() and pow() to libm Change-Id: I7efa04216666a974eb98a10596f4f5c5219daa07
2015-03-30 12:43:24 -07:00
$(LOCAL_DIR)/s_sin.c \
$(LOCAL_DIR)/s_sinf.c \
$(LOCAL_DIR)/k_cos.c \
$(LOCAL_DIR)/s_cos.c \
$(LOCAL_DIR)/s_cosf.c \
$(LOCAL_DIR)/k_tan.c \
$(LOCAL_DIR)/s_tan.c \
$(LOCAL_DIR)/s_tanf.c \
$(LOCAL_DIR)/e_sqrt.c \
$(LOCAL_DIR)/e_sqrtf.c \
$(LOCAL_DIR)/k_rem_pio2.c \
$(LOCAL_DIR)/s_floor.c \
[lib][libm] Add floorf and ceilf Needed by skia. R=travisg@gmail.com Review URL: https://codereview.chromium.org/1734733002 .
2016-02-24 10:17:21 -08:00
$(LOCAL_DIR)/s_floorf.c \
[libm] Add acos(), asin() and pow() to libm Change-Id: I7efa04216666a974eb98a10596f4f5c5219daa07
2015-03-30 12:43:24 -07:00
$(LOCAL_DIR)/s_scalbn.c \
[libm] bring over implementations of scalbnf and copysignf
2015-03-31 16:00:51 -07:00
$(LOCAL_DIR)/s_scalbnf.c \
[libm] Add acos(), asin() and pow() to libm Change-Id: I7efa04216666a974eb98a10596f4f5c5219daa07
2015-03-30 12:43:24 -07:00
$(LOCAL_DIR)/s_copysign.c \
[libm] bring over implementations of scalbnf and copysignf
2015-03-31 16:00:51 -07:00
$(LOCAL_DIR)/s_copysignf.c \
[libm] Add acos(), asin() and pow() to libm Change-Id: I7efa04216666a974eb98a10596f4f5c5219daa07
2015-03-30 12:43:24 -07:00
$(LOCAL_DIR)/e_acos.c \
$(LOCAL_DIR)/e_acosf.c \
$(LOCAL_DIR)/e_asin.c \
$(LOCAL_DIR)/e_asinf.c \
$(LOCAL_DIR)/e_pow.c \
$(LOCAL_DIR)/e_powf.c \
$(LOCAL_DIR)/s_fabs.c \
$(LOCAL_DIR)/s_fabsf.c \
[lib] Import some libc/libm functions from BSD.
2015-08-26 11:33:48 +02:00
$(LOCAL_DIR)/e_fmod.c \
$(LOCAL_DIR)/e_log.c \
$(LOCAL_DIR)/e_exp.c \
$(LOCAL_DIR)/s_round.c \
$(LOCAL_DIR)/s_ceil.c \
[lib][libm] Add floorf and ceilf Needed by skia. R=travisg@gmail.com Review URL: https://codereview.chromium.org/1734733002 .
2016-02-24 10:17:21 -08:00
$(LOCAL_DIR)/s_ceilf.c \
[lib] Import some libc/libm functions from BSD.
2015-08-26 11:33:48 +02:00
$(LOCAL_DIR)/s_trunc.c \
$(LOCAL_DIR)/s_atan.c \
$(LOCAL_DIR)/e_atan2.c \
[lib][libm] initial minimal version of libm, from bionic Mostly picked up the sin/cos/tan/sqrt routines. Change-Id: If265b6555336cf049b14d2eb945924f4e9fec225
2014-08-19 14:14:10 -07:00
include make/module.mk
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