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Diffstat (limited to 'shared.mk')
| -rw-r--r-- | shared.mk | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/shared.mk b/shared.mk new file mode 100644 index 0000000..5c2e112 --- /dev/null +++ b/shared.mk @@ -0,0 +1,51 @@ +# Some common Makefile stuff + +# Look for wasi-sysroot in some common places, falling back +# to provided WASI_SYSROOT +ifneq ("$(wildcard /usr/wasm32-wasi)", "") + # Fedora + WASI_SYSROOT ?= /usr/wasm32-wasi +else ifneq ("$(wildcard /usr/local/share/wasi-sysroot)", "") + # FreeBSD + WASI_SYSROOT ?= /usr/local/share/wasi-sysroot +endif + +# By default compiler etc output is hidden, use +# make V=1 ... +# to show it +v = @ +ifeq ($V,1) + v = +endif + +# Optionally enable debugging builds with +# make D=1 ... +# -g is always used, this just changes the optimisation level. +# On GCC this would be -Og, however according to the clang-16(1) +# man page, -O0 'generates the most debuggable code'. +ifeq ($D,1) + CFLAGS += -O0 +else + CFLAGS += -O2 +endif + +# Optionally enable Werror with +# make E=1 ... +ifeq ($E,1) + CFLAGS += -Werror +endif + +# Pretty print compiler etc actions... +PP_CC = @echo ' CC ' +PP_AR = @echo ' AR ' +PP_CCLNK = @echo ' CCLNK ' +PP_GEN = @echo ' GEN ' + +CC = clang +CFLAGS += -Wall -Wextra -Wdeclaration-after-statement -Wvla \ + -Wmissing-prototypes -Wstrict-prototypes -Wold-style-definition \ + -Wimplicit-function-declaration -Wimplicit-int -Wint-conversion \ + -std=gnu11 -g -fno-common -fno-strict-aliasing \ + --target=wasm32-wasi --sysroot=$(WASI_SYSROOT) +LDFLAGS = -Wl,--no-entry,--export=__heap_base,--export=__data_end,--export=malloc,--export=free,--stack-first,-z,stack-size=$$((8*1024*1024)) \ + -mexec-model=reactor --rtlib=compiler-rt |