diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 94 |
1 files changed, 61 insertions, 33 deletions
@@ -38,7 +38,7 @@ CFLAGS += -Werror endif # Determine the destination processor architecture -override ARCH = $(strip $(shell LC_ALL=C $(CC) -E arch.h|grep -v '^\#')) +override ARCH := $(strip $(shell LC_ALL=C $(CC) -E arch.h|grep -v '^\#')) # FIXME We have to differentiate between host and target OS architecture. OS_ARCH ?= $(shell uname) @@ -531,11 +531,23 @@ distclean: clean strip: $(PROGRAM)$(EXEC_SUFFIX) $(STRIP) $(STRIP_ARGS) $(PROGRAM)$(EXEC_SUFFIX) +# to define test programs we use verbatim variables, which get exported +# to environment variables and are referenced with $$<varname> later + +define COMPILER_TEST +int main(int argc, char **argv) +{ + (void) argc; + (void) argv; + return 0; +} +endef +export COMPILER_TEST + compiler: featuresavailable @printf "Checking for a C compiler... " - @$(shell ( echo "int main(int argc, char **argv)"; \ - echo "{ (void) argc; (void) argv; return 0; }"; ) > .test.c ) - @$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .test.c -o .test$(EXEC_SUFFIX) >/dev/null && \ + @echo "$$COMPILER_TEST" > .test.c + @$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .test.c -o .test$(EXEC_SUFFIX) >/dev/null 2>&1 && \ echo "found." || ( echo "not found."; \ rm -f .test.c .test$(EXEC_SUFFIX); exit 1) @rm -f .test.c .test$(EXEC_SUFFIX) @@ -545,15 +557,25 @@ compiler: featuresavailable ( echo "unknown. Aborting."; exit 1) @printf "%s\n" '$(ARCH)' +define LIBPCI_TEST +/* Avoid a failing test due to libpci header symbol shadowing breakage */ +#define index shadow_workaround_index +#include <pci/pci.h> +struct pci_access *pacc; +int main(int argc, char **argv) +{ + (void) argc; + (void) argv; + pacc = pci_alloc(); + return 0; +} +endef +export LIBPCI_TEST + ifeq ($(CHECK_LIBPCI), yes) pciutils: compiler @printf "Checking for libpci headers... " - @# Avoid a failing test due to libpci header symbol shadowing breakage - @$(shell ( echo "#define index shadow_workaround_index"; \ - echo "#include <pci/pci.h>"; \ - echo "struct pci_access *pacc;"; \ - echo "int main(int argc, char **argv)"; \ - echo "{ (void) argc; (void) argv; pacc = pci_alloc(); return 0; }"; ) > .test.c ) + @echo "$$LIBPCI_TEST" > .test.c @$(CC) -c $(CPPFLAGS) $(CFLAGS) .test.c -o .test.o >/dev/null 2>&1 && \ echo "found." || ( echo "not found."; echo; \ echo "Please install libpci headers (package pciutils-devel)."; \ @@ -588,41 +610,47 @@ featuresavailable: @false endif -ifeq ($(CONFIG_FT2232_SPI), yes) +define FTDI_TEST +#include <ftdi.h> +struct ftdi_context *ftdic = NULL; +int main(int argc, char **argv) +{ + (void) argc; + (void) argv; + return ftdi_init(ftdic); +} +endef +export FTDI_TEST + +define UTSNAME_TEST +#include <sys/utsname.h> +struct utsname osinfo; +int main(int argc, char **argv) +{ + (void) argc; + (void) argv; + uname (&osinfo); + return 0; +} +endef +export UTSNAME_TEST + features: compiler @echo "FEATURES := yes" > .features.tmp +ifeq ($(CONFIG_FT2232_SPI), yes) @printf "Checking for FTDI support... " - @$(shell ( echo "#include <ftdi.h>"; \ - echo "struct ftdi_context *ftdic = NULL;"; \ - echo "int main(int argc, char **argv)"; \ - echo "{ (void) argc; (void) argv; return ftdi_init(ftdic); }"; ) > .featuretest.c ) + @echo "$$FTDI_TEST" > .featuretest.c @$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .featuretest.c -o .featuretest$(EXEC_SUFFIX) $(FTDILIBS) $(LIBS) >/dev/null 2>&1 && \ ( echo "found."; echo "FTDISUPPORT := yes" >> .features.tmp ) || \ ( echo "not found."; echo "FTDISUPPORT := no" >> .features.tmp ) +endif @printf "Checking for utsname support... " - @$(shell ( echo "#include <sys/utsname.h>"; \ - echo "struct utsname osinfo;"; \ - echo "int main(int argc, char **argv)"; \ - echo "{ (void) argc; (void) argv; uname (&osinfo); return 0; }"; ) > .featuretest.c ) - @$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .featuretest.c -o .featuretest$(EXEC_SUFFIX) >/dev/null 2>&1 && \ - ( echo "found."; echo "UTSNAME := yes" >> .features.tmp ) || \ - ( echo "not found."; echo "UTSNAME := no" >> .features.tmp ) - @$(DIFF) -q .features.tmp .features >/dev/null 2>&1 && rm .features.tmp || mv .features.tmp .features - @rm -f .featuretest.c .featuretest$(EXEC_SUFFIX) -else -features: compiler - @echo "FEATURES := yes" > .features.tmp - @printf "Checking for utsname support... " - @$(shell ( echo "#include <sys/utsname.h>"; \ - echo "struct utsname osinfo;"; \ - echo "int main(int argc, char **argv)"; \ - echo "{ (void) argc; (void) argv; uname (&osinfo); return 0; }"; ) > .featuretest.c ) + @echo "$$UTSNAME_TEST" > .featuretest.c @$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .featuretest.c -o .featuretest$(EXEC_SUFFIX) >/dev/null 2>&1 && \ ( echo "found."; echo "UTSNAME := yes" >> .features.tmp ) || \ ( echo "not found."; echo "UTSNAME := no" >> .features.tmp ) @$(DIFF) -q .features.tmp .features >/dev/null 2>&1 && rm .features.tmp || mv .features.tmp .features @rm -f .featuretest.c .featuretest$(EXEC_SUFFIX) -endif install: $(PROGRAM)$(EXEC_SUFFIX) mkdir -p $(DESTDIR)$(PREFIX)/sbin |
