Commit b908376b authored Dec 04, 2012 by Yang Tse

build: explain current role of LIBS in our Makefile.am files

BLANK_AT_MAKETIME may be used in our Makefile.am files to blank
LIBS variable used in generated makefile at makefile processing
time. Doing this functionally prevents LIBS from being used for
all link targets in given makefile.

parent 8b02afd9

configure.ac

+4 −5

Original line number	Diff line number	Diff line
		@@ -3364,12 +3364,11 @@ LIBCURL_LIBS=$LIBS
		AC_SUBST(LIBCURL_LIBS)
		AC_SUBST(CURL_NETWORK_LIBS)
		AC_SUBST(CURL_NETWORK_AND_TIME_LIBS)
		dnl LIBS is a magic variable that's used for every link

		dnl BLANK_AT_MAKETIME might be used in some of our Makefile.am files to
		dnl blank LIBS variable used in generated makefile at makefile processing
		dnl time. Our test server's Makefile.am uses this to prevent global LIBS
		dnl from being used for any test server build target.
		dnl BLANK_AT_MAKETIME may be used in our Makefile.am files to blank
		dnl LIBS variable used in generated makefile at makefile processing
		dnl time. Doing this functionally prevents LIBS from being used for
		dnl all link targets in given makefile.
		BLANK_AT_MAKETIME=
		AC_SUBST(BLANK_AT_MAKETIME)

docs/examples/Makefile.am

+1 −1

Original line number	Diff line number	Diff line
		@@ -48,7 +48,7 @@ if USE_CPPFLAG_CURL_STATICLIB
		AM_CPPFLAGS += -DCURL_STATICLIB
		endif

		# Prevent global LIBS from influencing examples build targets
		# Prevent LIBS from being used for all link targets
		LIBS = $(BLANK_AT_MAKETIME)

		# Dependencies

lib/Makefile.am

+1 −1

Original line number	Diff line number	Diff line
		@@ -132,7 +132,7 @@ if VERSIONED_SYMBOLS
		VERSIONED_SYMBOLS = -Wl,--version-script=libcurl.vers
		endif

		# Prevent global LIBS from influencing lib build targets
		# Prevent LIBS from being used for all link targets
		LIBS = $(BLANK_AT_MAKETIME)

		libcurl_la_LDFLAGS = $(UNDEF) $(VERSIONINFO) $(MIMPURE) $(VERSIONED_SYMBOLS) $(LIBCURL_LIBS)

src/Makefile.am

+1 −1

Original line number	Diff line number	Diff line
		@@ -54,7 +54,7 @@ include Makefile.inc
		# This might hold -Werror
		CFLAGS += @CURL_CFLAG_EXTRAS@ @LIBMETALINK_CFLAGS@

		# Prevent global LIBS from influencing src build targets
		# Prevent LIBS from being used for all link targets
		LIBS = $(BLANK_AT_MAKETIME)

		if USE_EXPLICIT_LIB_DEPS

tests/libtest/Makefile.am

+1 −2

Original line number	Diff line number	Diff line
		@@ -55,8 +55,7 @@ test1022.pl Makefile.inc notexists.pl

		CFLAG_CURL_SYMBOL_HIDING = @CFLAG_CURL_SYMBOL_HIDING@

		# Prevent global LIBS from influencing libtest build targets
		BLANK_AT_MAKETIME = @BLANK_AT_MAKETIME@
		# Prevent LIBS from being used for all link targets
		LIBS = $(BLANK_AT_MAKETIME)

		if USE_EXPLICIT_LIB_DEPS