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Makefile: reduce repetitive library paths 

When we take a library package we depend on (e.g., LIBPCRE) from a
directory other than the default location of the system, we add the
same directory twice on the linker command like, like so:

  EXTLIBS += -L$(LIBPCREDIR)/$(lib) $(CC_LD_DYNPATH)$(LIBPCREDIR)/$(lib)

Introduce a template "libpath_template" that takes the path to the
directory, which can be used like so:

  EXTLIBS += $(call libpath_template,$(LIBPCREDIR)/$(lib))

and expand it into the "-L$(DIR) $(CC_LD_DYNPATH)$(DIR)" form.
Hopefully we can reduce the chance of typoes this way.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2024-01-31 09:42:19 -08:00
parent 564d0252ca
commit 354dbf7d64
2 changed files with 12 additions and 6 deletions
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12
Makefile
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@ -1575,7 +1575,7 @@ endif
ifdef LIBPCREDIR
BASIC_CFLAGS += -I$(LIBPCREDIR)/include
EXTLIBS += -L$(LIBPCREDIR)/$(lib) $(CC_LD_DYNPATH)$(LIBPCREDIR)/$(lib)
EXTLIBS += $(call libpath_template,$(LIBPCREDIR)/$(lib))
endif
ifdef HAVE_ALLOCA_H
@ -1595,7 +1595,7 @@ else
ifdef CURLDIR
# Try "-Wl,-rpath=$(CURLDIR)/$(lib)" in such a case.
CURL_CFLAGS = -I$(CURLDIR)/include
CURL_LIBCURL = -L$(CURLDIR)/$(lib) $(CC_LD_DYNPATH)$(CURLDIR)/$(lib)
CURL_LIBCURL = $(call libpath_template,$(CURLDIR)/$(lib))
else
CURL_CFLAGS =
CURL_LIBCURL =
@ -1631,7 +1631,7 @@ else
ifndef NO_EXPAT
ifdef EXPATDIR
BASIC_CFLAGS += -I$(EXPATDIR)/include
EXPAT_LIBEXPAT = -L$(EXPATDIR)/$(lib) $(CC_LD_DYNPATH)$(EXPATDIR)/$(lib) -lexpat
EXPAT_LIBEXPAT = $(call libpath_template,$(EXPATDIR)/$(lib)) -lexpat
else
EXPAT_LIBEXPAT = -lexpat
endif
@ -1644,7 +1644,7 @@ IMAP_SEND_LDFLAGS += $(OPENSSL_LINK) $(OPENSSL_LIBSSL) $(LIB_4_CRYPTO)
ifdef ZLIB_PATH
BASIC_CFLAGS += -I$(ZLIB_PATH)/include
EXTLIBS += -L$(ZLIB_PATH)/$(lib) $(CC_LD_DYNPATH)$(ZLIB_PATH)/$(lib)
EXTLIBS += $(call libpath_template,$(ZLIB_PATH)/$(lib))
endif
EXTLIBS += -lz
@ -1652,7 +1652,7 @@ ifndef NO_OPENSSL
OPENSSL_LIBSSL = -lssl
ifdef OPENSSLDIR
BASIC_CFLAGS += -I$(OPENSSLDIR)/include
OPENSSL_LINK = -L$(OPENSSLDIR)/$(lib) $(CC_LD_DYNPATH)$(OPENSSLDIR)/$(lib)
OPENSSL_LINK = $(call libpath_template,$(OPENSSLDIR)/$(lib))
else
OPENSSL_LINK =
endif
@ -1679,7 +1679,7 @@ ifndef NO_ICONV
ifdef NEEDS_LIBICONV
ifdef ICONVDIR
BASIC_CFLAGS += -I$(ICONVDIR)/include
ICONV_LINK = -L$(ICONVDIR)/$(lib) $(CC_LD_DYNPATH)$(ICONVDIR)/$(lib)
ICONV_LINK = $(call libpath_template,$(ICONVDIR)/$(lib))
else
ICONV_LINK =
endif

6
shared.mak
View File

@ -108,3 +108,9 @@ endif
define mkdir_p_parent_template
$(if $(wildcard $(@D)),,$(QUIET_MKDIR_P_PARENT)$(shell mkdir -p $(@D)))
endef
## Getting sick of writing -L$(SOMELIBDIR) $(CC_LD_DYNPATH)$(SOMELIBDIR)?
## Write $(call libpath_template,$(SOMELIBDIR)) instead, perhaps?
define libpath_template
-L$(1) $(CC_LD_DYNPATH)$(1)
endef