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pkgconfig: use literal ${prefix} to allow override

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Various workflows (--define-prefix, --define-variable=prefix) require variables in
the pc file to use a literal  so that it is overridden. Change the Makefile
so that, by default and unless  is specified, it is set as expected.

Signed-off-by: Luca Boccassi <bluca@debian.org>
This commit is contained in:
Luca Boccassi
2021-01-02 16:50:34 +00:00
committed by Andrii Nakryiko
parent a3a5e9688a
commit 051a4009f9
1 changed files with 8 additions and 1 deletions
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9
src/Makefile
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@@ -66,6 +66,13 @@ else
LIBSUBDIR := lib
endif
# By default let the pc file itself use ${prefix} in includedir/libdir so that
# the prefix can be overridden at runtime (eg: --define-prefix)
ifndef LIBDIR
LIBDIR_PC := $$\{prefix\}/$(LIBSUBDIR)
else
LIBDIR_PC := $(LIBDIR)
endif
PREFIX ?= /usr
LIBDIR ?= $(PREFIX)/$(LIBSUBDIR)
INCLUDEDIR ?= $(PREFIX)/include
@@ -93,7 +100,7 @@ $(OBJDIR)/libbpf.so.$(LIBBPF_VERSION): $(SHARED_OBJS)
$(OBJDIR)/libbpf.pc:
$(Q)sed -e "s|@PREFIX@|$(PREFIX)|" \
-e "s|@LIBDIR@|$(LIBDIR)|" \
-e "s|@LIBDIR@|$(LIBDIR_PC)|" \
-e "s|@VERSION@|$(LIBBPF_VERSION)|" \
< libbpf.pc.template > $@