boost: Build with -O2 only

[ipfire-2.x.git] / lfs / boost

diff --git a/lfs/boost b/lfs/boost
index bed2b0cdb31084de44f6b3bc63a73dc8985ded45..da657167a2bb34d3b53238586bd8f0ca60f3b420 100644 (file)
--- a/lfs/boost
+++ b/lfs/boost
@@ -32,8 +32,13 @@ DL_FROM    = $(URL_IPFIRE)
 DIR_APP    = $(DIR_SRC)/$(THISAPP)
 TARGET     = $(DIR_INFO)/$(THISAPP)
 
-CFLAGS    += -O3 -fno-strict-aliasing
-CXXFLAGS  += -O3 -fno-strict-aliasing
+CFLAGS    += -fno-strict-aliasing
+CXXFLAGS  += -fno-strict-aliasing
+
+# The compiler uses a lot of memory to compile boost, hence we reduce
+# the total number of processes a little bit to be able to build on
+# smaller machines
+MAX_PARALLELISM = $(shell echo $$(( $(SYSTEM_MEMORY) / 512)))
 
 CONFIGURE_OPTIONS = \
        --prefix=/usr \
@@ -95,7 +100,7 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
        @rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
 
        cd $(DIR_APP) && ./bootstrap.sh --with-toolset=gcc
-       cd $(DIR_APP) && ./b2 -d+2 -q $(CONFIGURE_OPTIONS) stage
+       cd $(DIR_APP) && ./b2 -d+2 -q $(MAKETUNING) $(CONFIGURE_OPTIONS) stage
        cd $(DIR_APP) && ./b2 $(CONFIGURE_OPTIONS) install
 
        @rm -rf $(DIR_APP)