Re: fpurge.c error when building m4 1.4.11

[Alain Guibert]

Hello Bruno,

 On Wednesday, April 16, 2008 at 20:08:13 -0600, Eric Blake wrote:

> Here's my latest m4 snapshot with Bruno's tentative fix in; would you
> mind giving it a whirl?
> http://home.comcast.net/~ericblake/m4-1.4.10b.27-14840.tar.bz2

Much thanks to you two. Another problem came in:

| gcc  -I.     -g -O2 -c memchr2.c
| memchr2.c:86: two `l's in integer constant
| make[3]: *** [memchr2.o] Error 1
| make[3]: Leaving directory `/tmp/m4-1.4.10b.27-14840/lib'
| make[2]: *** [all] Error 2
| make[2]: Leaving directory `/tmp/m4-1.4.10b.27-14840/lib'
| make[1]: *** [all-recursive] Error 1
| make[1]: Leaving directory `/tmp/m4-1.4.10b.27-14840'
| make: *** [all] Error 2

And later during make check:

| gcc  -I. -I../lib  -I. -I. -I.. -I./.. -I../lib -I./../lib   -g -O2 -c 
test-stdint.c
| test-stdint.c:249: two `l's in integer constant
| make[5]: *** [test-stdint.o] Error 1
| make[5]: Leaving directory `/tmp/m4-1.4.10b.27-14840/tests'
| make[4]: *** [check-am] Error 2
| make[4]: Leaving directory `/tmp/m4-1.4.10b.27-14840/tests'
| make[3]: *** [check-recursive] Error 1
| make[3]: Leaving directory `/tmp/m4-1.4.10b.27-14840/tests'
| make[2]: *** [check] Error 2
| make[2]: Leaving directory `/tmp/m4-1.4.10b.27-14840/tests'
| make[1]: *** [check-recursive] Error 1
| make[1]: Leaving directory `/tmp/m4-1.4.10b.27-14840'
| make: *** [check] Error 2

This is due to the gcc 2.7.2.1 preprocessor unable to calculate or
compare long longs. Gcc can do everything else with long longs, and so
m4 ./configure finds them:

| checking for long long int... yes
| checking for unsigned long long int... yes

But some packages (gettext 0.17) ./configure check is stricter, and then
long longs are not found.


Then during make check, 6 of 53 tests failed:

| test-frexpl.c:100: assertion failed
| FAIL: test-frexpl

mantissa=NaN, x=NaN, but ASSERT (mantissa == x) fails...

| test-fseeko.c:62: assertion failed
| ./test-fseeko.sh: line 3: 25399 IOT trap/Abort          (core dumped) 
./test-fseeko${EXEEXT} 1 <"$srcdir/test-fseeko.sh"
| FAIL: test-fseeko.sh

| test-ftello.c:107: assertion failed
| ./test-ftello.sh: line 3: 25403 IOT trap/Abort          (core dumped) 
./test-ftello${EXEEXT} 1 <"$srcdir/test-ftello.sh"
| FAIL: test-ftello.sh

ch=123 ftell=-1 ftello=123. Line 108 also fails.

| test-isnanl.h:55: assertion failed
| FAIL: test-isnanl-nolibm

| test-vasnprintf-posix.c:557: assertion failed
| FAIL: test-vasnprintf-posix

result="nan 33", so ASSERT (strcmp (result, "-inf 33") == 0) fails. This
nan/-inf failure happens 9 times, as well as 9 times in the following
test:

| test-vasprintf-posix.c:538: assertion failed
| FAIL: test-vasprintf-posix


Alain.