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  • src/prelude/Makefile.am

    r99b75cab r4d3cba50  
    2929# create forward declarations for gcc builtins
    3030builtins.cf : builtins.c
    31         ${AM_V_GEN}@BACKEND_CC@ -E -P $^ | sed -f prototypes.sed > $@
     31        ${AM_V_GEN}if [ -e $< ] ; then \
     32                @BACKEND_CC@ -E -P $^ | sed -e "/targetm/s/.*//" -e "/_Decimal/s/.*//" -e "s/void (const char \*)0();//" -e "s/\"//g" -e "s/\(__builtin_\) /\1/" > $@ ; \
     33        fi
    3234
    3335builtins.c : builtins.def prototypes.awk
    34         ${AM_V_GEN}@BACKEND_CC@ -E prototypes.c | awk -f prototypes.awk > $@
     36        ${AM_V_GEN}if [ -e $< ] ; then \
     37                @BACKEND_CC@ -E prototypes.c | awk -f prototypes.awk > $@ ; \
     38        fi
    3539
    3640builtins.def :
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