* Added a better math library detection

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3016 92316355-f0b4-4df1-b90c-862c8a59935f

configure.ac

@@ -87,6 +87,9 @@ CFLAGS="${CFLAGS} -g -O2 -fno-strength-reduce -fomit-frame-pointer"
 # Code qui fait des warnings == code de porc == deux baffes dans ta gueule
 CFLAGS="${CFLAGS} -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wstrict-prototypes -Wshadow -Waggregate-return -Wmissing-prototypes -Wnested-externs -Wsign-compare"
 
+
+AC_CHECK_LIB(m, sin, MATH_LIBS="${MATH_LIBS} -lm")
+
 # Use DevIL?
 #AC_CHECK_HEADERS(IL/il.h,
 # [ac_cv_my_have_il="yes"],
@@ -169,6 +172,8 @@ if test "${ac_cv_my_have_il}" = "no" -a "${ac_cv_my_have_ole}" = "no" -a "${ac_c
   AC_MSG_ERROR([[cannot find DevIL, OLE, SDL_Image, Imlib2, Cocoa, or OpenCV, please install one of them]])
 fi
 
+AC_SUBST(MATH_LIBS)
+
 # Build pipi-sharp?
 AC_PATH_PROG(GMCS, gmcs, no)
 AM_CONDITIONAL(USE_CSHARP, test "${GMCS}" != "no")

src/Makefile.am

@@ -5,5 +5,6 @@ AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/pipi -I../pipi
 bin_PROGRAMS = pipi
 
 pipi_SOURCES = pipi.c $(GETOPT)
-pipi_LDADD = ../pipi/libpipi.la $(GETOPT_LIBS)
+pipi_LDADD = ../pipi/libpipi.la $(GETOPT_LIBS) @MATH_LIBS@
+