add explicit softfp flag for soft-float ABI on NEON

bhaller · bhaller · commit 872c4990dfe7 · 2026-04-11T16:50:07.000-04:00
diff --git a/QtSLiM/QtSLiM.pro b/QtSLiM/QtSLiM.pro
@@ -58,6 +58,8 @@ contains(QMAKE_TARGET.arch, x86_64) {
 contains(QMAKE_TARGET.arch, arm64) {
 	# ARM64 NEON is always available on ARM64, no compiler flag needed
 	message("Building for ARM64; enabling NEON")
+	QMAKE_CFLAGS += -mfloat-abi=softfp
+	QMAKE_CXXFLAGS += -mfloat-abi=softfp
 	DEFINES += EIDOS_HAS_NEON=1
 }
 
diff --git a/core/core.pro b/core/core.pro
@@ -41,6 +41,8 @@ contains(QMAKE_TARGET.arch, x86_64) {
 contains(QMAKE_TARGET.arch, arm64) {
 	# ARM64 NEON is always available on ARM64, no compiler flag needed
 	message("Building for ARM64; enabling NEON")
+	QMAKE_CFLAGS += -mfloat-abi=softfp
+	QMAKE_CXXFLAGS += -mfloat-abi=softfp
 	DEFINES += EIDOS_HAS_NEON=1
 }
 
diff --git a/eidos/eidos.pro b/eidos/eidos.pro
@@ -41,6 +41,8 @@ contains(QMAKE_TARGET.arch, x86_64) {
 contains(QMAKE_TARGET.arch, arm64) {
 	# ARM64 NEON is always available on ARM64, no compiler flag needed
 	message("Building for ARM64; enabling NEON")
+	QMAKE_CFLAGS += -mfloat-abi=softfp
+	QMAKE_CXXFLAGS += -mfloat-abi=softfp
 	DEFINES += EIDOS_HAS_NEON=1
 }
 

Original file line number	Diff line number	Diff line change
`@@ -58,6 +58,8 @@ contains(QMAKE_TARGET.arch, x86_64) {`
`58`	`58`	`contains(QMAKE_TARGET.arch, arm64) {`
`59`	`59`	`# ARM64 NEON is always available on ARM64, no compiler flag needed`
`60`	`60`	`message("Building for ARM64; enabling NEON")`
	`61`	`+ QMAKE_CFLAGS += -mfloat-abi=softfp`
	`62`	`+ QMAKE_CXXFLAGS += -mfloat-abi=softfp`
`61`	`63`	`DEFINES += EIDOS_HAS_NEON=1`
`62`	`64`	`}`
`63`	`65`
Original file line number	Diff line number	Diff line change
`@@ -41,6 +41,8 @@ contains(QMAKE_TARGET.arch, x86_64) {`
`41`	`41`	`contains(QMAKE_TARGET.arch, arm64) {`
`42`	`42`	`# ARM64 NEON is always available on ARM64, no compiler flag needed`
`43`	`43`	`message("Building for ARM64; enabling NEON")`
	`44`	`+ QMAKE_CFLAGS += -mfloat-abi=softfp`
	`45`	`+ QMAKE_CXXFLAGS += -mfloat-abi=softfp`
`44`	`46`	`DEFINES += EIDOS_HAS_NEON=1`
`45`	`47`	`}`
`46`	`48`