[PATCH, committed] Use more config/*.m4 macros

[Eric Botcazou]

> gcc/configure.ac       | 118 ++++++-------------------------------------

Really, really minor nit but there is now a hole in the command line:

/opt/build/eric/gcc/./prev-gcc/xgcc -B/opt/build/eric/gcc/./prev-gcc/ 
-B/opt/build/eric/local/gcc/sparc64-sun-solaris2.9/bin/ -c   -g -O2 -DIN_GCC   
-W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes 
-Wold-style-definition -Wmissing-format-attribute -pedantic -Wno-long-long 
-Wno-variadic-macros                     -Wno-overlength-strings -Werror 
-fno-common   -DHAVE_CONFIG_H -I. -I. -I/home/eric/svn/gcc/gcc 
-I/home/eric/svn/gcc/gcc/. -I/home/eric/svn/gcc/gcc/../include -I./../intl 
-I/home/eric/svn/gcc/gcc/../libcpp/include -I/opt/build/eric/local/include 
-I/opt/build/eric/local/include -I/home/eric/svn/gcc/gcc/../libdecnumber 
-I/home/eric/svn/gcc/gcc/../libdecnumber/dpd 
-I../libdecnumber    /home/eric/svn/gcc/gcc/reload.c -o reload.o

-- 
Eric Botcazou