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authorSimon Marchi <simon.marchi@efficios.com>2022-04-08 10:56:41 -0400
committerSimon Marchi <simon.marchi@efficios.com>2022-04-08 10:56:41 -0400
commitde83289ef32ed0673f2302e6751a7465f45c0cbb (patch)
tree99af438fbc8280cfe9b1e64161fd987b99253075 /Makefile.in
parent0c80fce42a81d306ba92d8c044778227a1e5a5e0 (diff)
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Pass PKG_CONFIG_PATH down from top-level Makefile
[Sending to binutils, gdb-patches and gcc-patches, since it touches the top-level Makefile/configure] I have my debuginfod library installed in a non-standard location (/opt/debuginfod), which requires me to set PKG_CONFIG_PATH=/opt/debuginfod/lib/pkg-config. If I just set it during configure: $ PKG_CONFIG_PATH=/opt/debuginfod/lib/pkg-config ./configure --with-debuginfod $ make or $ ./configure --with-debuginfod PKG_CONFIG_PATH=/opt/debuginfod/lib/pkg-config $ make Then PKG_CONFIG_PATH is only present (and ignored) during the top-level configure. When running make (which runs gdb's and binutils' configure), PKG_CONFIG_PATH is not set, which results in their configure script not finding the library: checking for libdebuginfod >= 0.179... no configure: error: "--with-debuginfod was given, but libdebuginfod is missing or unusable." Change the top-level configure/Makefile system to capture the value passed when configuring the top-level and pass it down to subdirectories (similar to CFLAGS, LDFLAGS, etc). I don't know much about the top-level build system, so I really don't know if I did this correctly. The changes are: - Use AC_SUBST(PKG_CONFIG_PATH) in configure.ac, so that @PKG_CONFIG_PATH@ gets replaced with the actual PKG_CONFIG_PATH value in config files (i.e. Makefile) - Add a PKG_CONFIG_PATH Makefile variable in Makefile.tpl, initialized to @PKG_CONFIG_PATH@ - Add PKG_CONFIG_PATH to HOST_EXPORTS in Makefile.tpl, which are the variables set when running the sub-configures I initially added PKG_CONFIG_PATH to flags_to_pass, in Makefile.def, but I don't think it's needed. AFAIU, this defines the flags to pass down when calling "make" in subdirectories. We only need PKG_CONFIG_PATH to be passed down during configure. After that, it's captured in gdb/config.status, so even if a "make" causes a re-configure later (because gdb/configure has changed, for example), the PKG_CONFIG_PATH value will be remembered. ChangeLog: * configure.ac: Add AC_SUBST(PKG_CONFIG_PATH). * configure: Re-generate. * Makefile.tpl (HOST_EXPORTS): Pass PKG_CONFIG_PATH. (PKG_CONFIG_PATH): New. * Makefile.in: Re-generate. Change-Id: I91138dfca41c43b05e53e445f62e4b27882536bf
Diffstat (limited to 'Makefile.in')
-rw-r--r--Makefile.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile.in b/Makefile.in
index 3aacd2d..cb39e47 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -218,6 +218,7 @@ HOST_EXPORTS = \
OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
OTOOL="$(OTOOL)"; export OTOOL; \
+ PKG_CONFIG_PATH="$(PKG_CONFIG_PATH)"; export PKG_CONFIG_PATH; \
READELF="$(READELF)"; export READELF; \
AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
@@ -444,6 +445,8 @@ LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
GOCFLAGS = $(CFLAGS)
GDCFLAGS = $(CFLAGS)
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+
# Pass additional PGO and LTO compiler options to the PGO build.
BUILD_CFLAGS = $(PGO_BUILD_CFLAGS) $(PGO_BUILD_LTO_CFLAGS)
override CFLAGS += $(BUILD_CFLAGS)