Commit 2757b2c

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PortAudio: Enable build on macOS/arm64

Quote from portaudio/config.log: ... configure:3194: checking whether the C compiler works configure:3216: gcc -I/opt/homebrew/opt/zlib/include portaudio/lib/.libs/libportaudio.a -framework CoreServices -framework CoreFoundation -framework AudioUnit -framewo rk AudioToolbox -framework CoreAudio -lpthread -lm mini-gdbstub/build/libgdbstub.a conftest.c >&5 clang: error: no such file or directory: 'portaudio/lib/.libs/libportaudio.a' ... configure:3265: error: C compiler cannot create executables ... The ./configure script fails on macOS because LDFLAGS includes static libraries (libportaudio.a) that have not yet been built. This causes the compiler check to fail with "C compiler cannot create executables". This patch unsets LDFLAGS during the configure step to allow the test program to compile and link successfully, enabling builds on macOS. Related: #76

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`‎Makefile`

Lines changed: 7 additions & 7 deletions

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ ifeq ($(call has, VIRTIOSND), 1)`
`100`	`100`	`portaudio/Makefile:`
`101`	`101`	`git submodule update --init portaudio`
`102`	`102`	`$(PORTAUDIOLIB): portaudio/Makefile`
`103`		`- cd $(dir $<) && ./configure --without-sndio`
	`103`	`+ cd $(dir $<) && LDFLAGS=""./configure --without-sndio`
`104`	`104`	`$(MAKE) -C $(dir $<)`
`105`	`105`	`main.o: $(PORTAUDIOLIB)`
`106`	`106`
`@@ -168,12 +168,12 @@ DTC ?= dtc`
`168`	`168`	`E :=`
`169`	`169`	`S := $E $E`
`170`	`170`
`171`		`-# During boot process, he emulator manually manages the growth of ticks to`
`172`		`-# suppress RCU CPU stall warnings. Thus, we need an target time to set the`
	`171`	`+# During boot process, the emulator manually manages the growth of ticks to`
	`172`	`+# suppress RCU CPU stall warnings. Thus, we need an target time to set the`
`173`	`173`	`# increment of ticks. According to Using RCU’s CPU Stall Detector[1], the`
`174`		`-# grace period for RCU CPU stalls is typically set to 21 seconds.`
`175`		`-# By dividing this value by two as the expected completion time, we can`
`176`		`-# provide a sufficient buffer to reduce the impact of errors and avoid`
	`174`	`+# grace period for RCU CPU stalls is typically set to 21 seconds.`
	`175`	`+# By dividing this value by two as the expected completion time, we can`
	`176`	`+# provide a sufficient buffer to reduce the impact of errors and avoid`
`177`	`177`	`# RCU CPU stall warnings.`
`178`	`178`	`# [1] docs.kernel.org/RCU/stallwarn.html#config-rcu-cpu-stall-timeout`
`179`	`179`	`CFLAGS += -D SEMU_BOOT_TARGET_TIME=10`
`@@ -213,6 +213,6 @@ distclean: clean`
`213`	`213`	`$(Q)$(RM) riscv-harts.dtsi`
`214`	`214`	`$(Q)$(RM) minimal.dtb`
`215`	`215`	`$(Q)$(RM) Image rootfs.cpio`
`216`		`- $(Q)$(RM) ext4.img`
	`216`	`+ $(Q)$(RM) ext4.img`
`217`	`217`
`218`	`218`	`-include $(deps)`

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Commit 2757b2c

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