Hello all, I'm rather new to make (only used it without reading the
manual so far).
The "all" target in a makefile for gcc5-2.0 looks like below. Notice
that this code snippet contains
no tab at all after the colon (the first tab is much further in the
code). I could not find in the
GNU make manual a mention of how make treats those particular regions
in the makefile.
I thought about secondary expansion but this makefile nowhere uses
.SECONDARYEXPANSION
AFAIK, this will be interpeted as "make syntax" as opposed to "shell
syntax" used in recipes. Where
does the manual explain how, for example, the commands between `` are
read ?
Any help appreciated.
Ewan
all:
#### host and target specific makefile fragments come in here.
# The -mdynamic-no-pic ensures that the compiler executable is built
without
# position-independent-code -- the usual default on Darwin. This fix
speeds
# compiles by 3-5%. Don't add it if the compiler doesn't also support
# -mno-dynamic-no-pic to undo it.
DARWIN_MDYNAMIC_NO_PIC := \
`case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
$(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null
\
&& echo -mdynamic-no-pic ;; esac`
DARWIN_GCC_MDYNAMIC_NO_PIC := \
`case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
$(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null
\
|| echo -mdynamic-no-pic ;; esac`
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