autotools: delete idle `AM_CFLAGS`, `AM_LDFLAGS` variables

Closes #19771

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 784b7f35d61e84fc971f4eb75b1502c8757c3f6e..2645872ebf77693ce6bf6782af71f373408abd97 100644 (file)
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -63,8 +63,6 @@ AM_CPPFLAGS = -I$(top_srcdir)/include   \
 # Prevent LIBS from being used for all link targets
 LIBS = $(BLANK_AT_MAKETIME)
 
-AM_LDFLAGS =
-AM_CFLAGS =
 if DEBUGBUILD
 AM_CPPFLAGS += -DDEBUGBUILD
 endif
@@ -136,12 +134,11 @@ libcurl_la_CFLAGS_EXTRA += $(CFLAG_CURL_SYMBOL_HIDING)
 endif
 
 libcurl_la_CPPFLAGS = $(AM_CPPFLAGS) $(libcurl_la_CPPFLAGS_EXTRA)
-libcurl_la_LDFLAGS = $(AM_LDFLAGS) $(libcurl_la_LDFLAGS_EXTRA) $(CURL_LDFLAGS_LIB) $(LIBCURL_PC_LIBS_PRIVATE)
-libcurl_la_CFLAGS = $(AM_CFLAGS) $(libcurl_la_CFLAGS_EXTRA)
+libcurl_la_LDFLAGS = $(libcurl_la_LDFLAGS_EXTRA) $(CURL_LDFLAGS_LIB) $(LIBCURL_PC_LIBS_PRIVATE)
+libcurl_la_CFLAGS = $(libcurl_la_CFLAGS_EXTRA)
 
 libcurlu_la_CPPFLAGS = $(AM_CPPFLAGS) -DCURL_STATICLIB -DUNITTESTS
-libcurlu_la_LDFLAGS = $(AM_LDFLAGS) -static $(LIBCURL_PC_LIBS_PRIVATE)
-libcurlu_la_CFLAGS = $(AM_CFLAGS)
+libcurlu_la_LDFLAGS = -static $(LIBCURL_PC_LIBS_PRIVATE)
 
 CHECKSRC = $(CS_$(V))
 CS_0 = @echo "  RUN     " $@;

diff --git a/src/Makefile.am b/src/Makefile.am
index c1bcf273597eb2c0d6f314c773a1b47750fc2f77..169a64f71391a6caa6f76129f9e74b44b1eb0d23 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -61,7 +61,6 @@ if CURLDEBUG
 AM_CPPFLAGS += -DCURLDEBUG
 endif
 
-AM_LDFLAGS =
 if USE_UNICODE
 UNICODEFLAG = -municode
 endif
@@ -94,7 +93,7 @@ curl_SOURCES += $(CURL_RCFILES)
 $(CURL_RCFILES): tool_version.h
 endif
 
-curl_LDFLAGS = $(AM_LDFLAGS) $(CURL_LDFLAGS_BIN) $(UNICODEFLAG)
+curl_LDFLAGS = $(CURL_LDFLAGS_BIN) $(UNICODEFLAG)
 
 # This might hold -Werror
 CFLAGS += @CURL_CFLAG_EXTRAS@