Add support for shared libraries under Irix.

Submitted by Albert Chin-A-Young <china@thewrittenword.com>

CHANGES

@@ -4,6 +4,9 @@
 
  Changes between 0.9.6 and 0.9.7  [xx XXX 2000]
 
+  *) Add support for shared libraries under Irix.
+     [Albert Chin-A-Young <china@thewrittenword.com>]
+
   *) Improve RPM specification file by forcing symbolic linking and making
      sure the installed documentation is also owned by root.root.
      [Damien Miller <djm@mindrot.org>]

Configure

@@ -177,17 +177,17 @@ my %table=(
 
 #### IRIX 5.x configs
 # -mips2 flag is added by ./config when appropriate.
-"irix-gcc","gcc:-O3 -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK DES_UNROLL DES_RISC2 DES_PTR BF_PTR:::",
-"irix-cc", "cc:-O2 -use_readonly_const -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC2 DES_UNROLL BF_PTR:::",
+"irix-gcc","gcc:-O3 -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK DES_UNROLL DES_RISC2 DES_PTR BF_PTR::::::::::dlfcn:irix-shared::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"irix-cc", "cc:-O2 -use_readonly_const -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC2 DES_UNROLL BF_PTR::::::::::dlfcn:irix-shared::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 #### IRIX 6.x configs
 # Only N32 and N64 ABIs are supported. If you need O32 ABI build, invoke
 # './Configure irix-[g]cc' manually.
 # -mips4 flag is added by ./config when appropriate.
-"irix-mips3-gcc","gcc:-mabi=n32 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK_LL DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT:asm/mips3.o::",
-"irix-mips3-cc", "cc:-n32 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::DES_PTR RC4_CHAR RC4_CHUNK_LL DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT:asm/mips3.o::",
+"irix-mips3-gcc","gcc:-mabi=n32 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK_LL DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT:asm/mips3.o:::::::::dlfcn:irix-shared::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"irix-mips3-cc", "cc:-n32 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::DES_PTR RC4_CHAR RC4_CHUNK_LL DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT:asm/mips3.o:::::::::dlfcn:irix-shared::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 # N64 ABI builds.
-"irix64-mips4-gcc","gcc:-mabi=64 -mips4 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o::",
-"irix64-mips4-cc", "cc:-64 -mips4 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o::",
+"irix64-mips4-gcc","gcc:-mabi=64 -mips4 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o:::::::::dlfcn:irix-shared::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"irix64-mips4-cc", "cc:-64 -mips4 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o:::::::::dlfcn:irix-shared::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 
 #### Unified HP-UX ANSI C configs.
 # Special notes:

Makefile.org

@@ -278,6 +278,15 @@ do_solaris-shared:
 	libs="$$libs -L. -l$$i"; \
 	done
 
+# This assumes that GNU utilities are *not* used
+do_irix-shared:
+	libs='${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \
+	( set -x; ${CC} -shared -o lib$$i.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \
+		-Wl,-soname,lib$$i.so.${SHLIB_MAJOR} \
+		-all lib$$i.a $$libs ${EX_LIBS} -lc) || exit 1; \
+	libs="$$libs -L. -l$$i"; \
+	done
+
 # This assumes that GNU utilities are *not* used
 do_hpux-shared:
 	libs='${SHLIBDEPS}'; for i in ${SHLIBDIRS}; do \