From: Joshua Henderson Date: Fri, 13 Apr 2018 20:22:34 +0000 (-0700) Subject: sqlite: avoid use of unsupported -Ofast CFLAGS X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=83781f11dce6d4ef8da052253454cafcbec80dbe;p=buildroot.git sqlite: avoid use of unsupported -Ofast CFLAGS sqlite3 refuses to be built with -ffast-math (a side effect of -Ofast) when it falls back to implementing its own isnan() function. sqlite3.c: In function ‘sqlite3IsNaN’: sqlite3.c:28554:3: error: #error SQLite will not work correctly with the -ffast-math option of GCC. To work around this, when -Ofast is used replace with -O3. Signed-off-by: Joshua Henderson Signed-off-by: Thomas Petazzoni --- diff --git a/package/sqlite/sqlite.mk b/package/sqlite/sqlite.mk index d0030d43ab..5ae17e17f6 100644 --- a/package/sqlite/sqlite.mk +++ b/package/sqlite/sqlite.mk @@ -39,7 +39,10 @@ ifeq ($(BR2_PACKAGE_SQLITE_NO_SYNC),y) SQLITE_CFLAGS += -DSQLITE_NO_SYNC endif -SQLITE_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) $(SQLITE_CFLAGS)" +# fallback to standard -O3 when -Ofast is present to avoid -ffast-math +SQLITE_CFLAGS += $(subst -Ofast,-O3,$(TARGET_CFLAGS)) + +SQLITE_CONF_ENV = CFLAGS="$(SQLITE_CFLAGS)" ifeq ($(BR2_STATIC_LIBS),y) SQLITE_CONF_OPTS += --enable-dynamic-extensions=no